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Finding the Fourth Proportional to 534,000.10, 801,000.15 and 324,048.10

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Solution

The fourth proportional to 534,000.10, 801,000.15 and 324,048.10 is: 486,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,000.10 : 801,000.15 = 324,048.10 : x
  2. Step 2: Convert to fraction form
    534,000.10/801,000.15 = 324,048.10/x
  3. Step 3: Cross multiply
    534,000.10x = 801,000.15 × 324,048.10
  4. Step 4: Simplify right side
    534,000.10x = 259,562,576,707.22
  5. Step 5: Solve for x
    x = 259,562,576,707.22/534,000.10
  6. Step 6: Final answer
    x = 486,072.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.