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Finding the Fourth Proportional to 737,529.40, 1,106,294.10 and 457,593.40

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Solution

The fourth proportional to 737,529.40, 1,106,294.10 and 457,593.40 is: 686,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,529.40 : 1,106,294.10 = 457,593.40 : x
  2. Step 2: Convert to fraction form
    737,529.40/1,106,294.10 = 457,593.40/x
  3. Step 3: Cross multiply
    737,529.40x = 1,106,294.10 × 457,593.40
  4. Step 4: Simplify right side
    737,529.40x = 506,232,878,618.94
  5. Step 5: Solve for x
    x = 506,232,878,618.94/737,529.40
  6. Step 6: Final answer
    x = 686,390.10

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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.