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Finding the Fourth Proportional to 434,501.10, 651,751.65 and 403,008.30

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Solution

The fourth proportional to 434,501.10, 651,751.65 and 403,008.30 is: 604,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,501.10 : 651,751.65 = 403,008.30 : x
  2. Step 2: Convert to fraction form
    434,501.10/651,751.65 = 403,008.30/x
  3. Step 3: Cross multiply
    434,501.10x = 651,751.65 × 403,008.30
  4. Step 4: Simplify right side
    434,501.10x = 262,661,324,488.70
  5. Step 5: Solve for x
    x = 262,661,324,488.70/434,501.10
  6. Step 6: Final answer
    x = 604,512.45

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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.