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Finding the Fourth Proportional to 461,060, 636,262.80 and 249,092

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Solution

The fourth proportional to 461,060, 636,262.80 and 249,092 is: 343,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,060 : 636,262.80 = 249,092 : x
  2. Step 2: Convert to fraction form
    461,060/636,262.80 = 249,092/x
  3. Step 3: Cross multiply
    461,060x = 636,262.80 × 249,092
  4. Step 4: Simplify right side
    461,060x = 158,487,973,377.60
  5. Step 5: Solve for x
    x = 158,487,973,377.60/461,060
  6. Step 6: Final answer
    x = 343,746.96

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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.