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Finding the Fourth Proportional to 461,013.68, 636,206.73 and 254,305.80

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Solution

The fourth proportional to 461,013.68, 636,206.73 and 254,305.80 is: 350,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,013.68 : 636,206.73 = 254,305.80 : x
  2. Step 2: Convert to fraction form
    461,013.68/636,206.73 = 254,305.80/x
  3. Step 3: Cross multiply
    461,013.68x = 636,206.73 × 254,305.80
  4. Step 4: Simplify right side
    461,013.68x = 161,791,060,484.39
  5. Step 5: Solve for x
    x = 161,791,060,484.39/461,013.68
  6. Step 6: Final answer
    x = 350,946.33

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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.