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Finding the Fourth Proportional to 532,349.28, 734,614.39 and 302,901.92

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Solution

The fourth proportional to 532,349.28, 734,614.39 and 302,901.92 is: 417,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,349.28 : 734,614.39 = 302,901.92 : x
  2. Step 2: Convert to fraction form
    532,349.28/734,614.39 = 302,901.92/x
  3. Step 3: Cross multiply
    532,349.28x = 734,614.39 × 302,901.92
  4. Step 4: Simplify right side
    532,349.28x = 222,516,108,650.99
  5. Step 5: Solve for x
    x = 222,516,108,650.99/532,349.28
  6. Step 6: Final answer
    x = 417,988.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.