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Finding the Fourth Proportional to 476,430.10, 714,645.15 and 240,234.10

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Solution

The fourth proportional to 476,430.10, 714,645.15 and 240,234.10 is: 360,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,430.10 : 714,645.15 = 240,234.10 : x
  2. Step 2: Convert to fraction form
    476,430.10/714,645.15 = 240,234.10/x
  3. Step 3: Cross multiply
    476,430.10x = 714,645.15 × 240,234.10
  4. Step 4: Simplify right side
    476,430.10x = 171,682,134,429.62
  5. Step 5: Solve for x
    x = 171,682,134,429.62/476,430.10
  6. Step 6: Final answer
    x = 360,351.15

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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.