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Finding the Fourth Proportional to 461,530.88, 636,554.40 and 291,703.04

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Solution

The fourth proportional to 461,530.88, 636,554.40 and 291,703.04 is: 402,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,530.88 : 636,554.40 = 291,703.04 : x
  2. Step 2: Convert to fraction form
    461,530.88/636,554.40 = 291,703.04/x
  3. Step 3: Cross multiply
    461,530.88x = 636,554.40 × 291,703.04
  4. Step 4: Simplify right side
    461,530.88x = 185,684,853,605.38
  5. Step 5: Solve for x
    x = 185,684,853,605.38/461,530.88
  6. Step 6: Final answer
    x = 402,323.79

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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.