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Finding the Fourth Proportional to 633,472.64, 874,206.32 and 361,535.12

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Solution

The fourth proportional to 633,472.64, 874,206.32 and 361,535.12 is: 498,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,472.64 : 874,206.32 = 361,535.12 : x
  2. Step 2: Convert to fraction form
    633,472.64/874,206.32 = 361,535.12/x
  3. Step 3: Cross multiply
    633,472.64x = 874,206.32 × 361,535.12
  4. Step 4: Simplify right side
    633,472.64x = 316,056,286,805.96
  5. Step 5: Solve for x
    x = 316,056,286,805.96/633,472.64
  6. Step 6: Final answer
    x = 498,926.50

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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.