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Finding the Fourth Proportional to 633,691.72, 949,312.72 and 352,356.04

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Solution

The fourth proportional to 633,691.72, 949,312.72 and 352,356.04 is: 527,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,691.72 : 949,312.72 = 352,356.04 : x
  2. Step 2: Convert to fraction form
    633,691.72/949,312.72 = 352,356.04/x
  3. Step 3: Cross multiply
    633,691.72x = 949,312.72 × 352,356.04
  4. Step 4: Simplify right side
    633,691.72x = 334,496,070,740.83
  5. Step 5: Solve for x
    x = 334,496,070,740.83/633,691.72
  6. Step 6: Final answer
    x = 527,852.99

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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.