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Finding the Fourth Proportional to 461,292.47, 636,583.88 and 257,343.39

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Solution

The fourth proportional to 461,292.47, 636,583.88 and 257,343.39 is: 355,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,292.47 : 636,583.88 = 257,343.39 : x
  2. Step 2: Convert to fraction form
    461,292.47/636,583.88 = 257,343.39/x
  3. Step 3: Cross multiply
    461,292.47x = 636,583.88 × 257,343.39
  4. Step 4: Simplify right side
    461,292.47x = 163,820,654,341.91
  5. Step 5: Solve for x
    x = 163,820,654,341.91/461,292.47
  6. Step 6: Final answer
    x = 355,134.03

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1.5x scale

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.