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Finding the Fourth Proportional to 532,329.28, 734,614.56 and 293,865.28

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Solution

The fourth proportional to 532,329.28, 734,614.56 and 293,865.28 is: 405,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,329.28 : 734,614.56 = 293,865.28 : x
  2. Step 2: Convert to fraction form
    532,329.28/734,614.56 = 293,865.28/x
  3. Step 3: Cross multiply
    532,329.28x = 734,614.56 × 293,865.28
  4. Step 4: Simplify right side
    532,329.28x = 215,877,713,366.48
  5. Step 5: Solve for x
    x = 215,877,713,366.48/532,329.28
  6. Step 6: Final answer
    x = 405,534.17

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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.