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Finding the Fourth Proportional to 407,834.40, 611,751.60 and 366,500.10

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Solution

The fourth proportional to 407,834.40, 611,751.60 and 366,500.10 is: 549,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,834.40 : 611,751.60 = 366,500.10 : x
  2. Step 2: Convert to fraction form
    407,834.40/611,751.60 = 366,500.10/x
  3. Step 3: Cross multiply
    407,834.40x = 611,751.60 × 366,500.10
  4. Step 4: Simplify right side
    407,834.40x = 224,207,022,575.16
  5. Step 5: Solve for x
    x = 224,207,022,575.16/407,834.40
  6. Step 6: Final answer
    x = 549,750.15

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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.