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Finding the Fourth Proportional to 602,787.38, 904,338.65 and 349,824.69

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Solution

The fourth proportional to 602,787.38, 904,338.65 and 349,824.69 is: 524,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,787.38 : 904,338.65 = 349,824.69 : x
  2. Step 2: Convert to fraction form
    602,787.38/904,338.65 = 349,824.69/x
  3. Step 3: Cross multiply
    602,787.38x = 904,338.65 × 349,824.69
  4. Step 4: Simplify right side
    602,787.38x = 316,359,986,142.15
  5. Step 5: Solve for x
    x = 316,359,986,142.15/602,787.38
  6. Step 6: Final answer
    x = 524,828.49

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1.5x scale

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.