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Finding the Fourth Proportional to 952,909.92, 1,429,612.74 and 354,043.71

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Solution

The fourth proportional to 952,909.92, 1,429,612.74 and 354,043.71 is: 531,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,909.92 : 1,429,612.74 = 354,043.71 : x
  2. Step 2: Convert to fraction form
    952,909.92/1,429,612.74 = 354,043.71/x
  3. Step 3: Cross multiply
    952,909.92x = 1,429,612.74 × 354,043.71
  4. Step 4: Simplify right side
    952,909.92x = 506,145,398,332.87
  5. Step 5: Solve for x
    x = 506,145,398,332.87/952,909.92
  6. Step 6: Final answer
    x = 531,157.65

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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.