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Finding the Fourth Proportional to 482,827.80, 724,932.90 and 272,875.80

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Solution

The fourth proportional to 482,827.80, 724,932.90 and 272,875.80 is: 409,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,827.80 : 724,932.90 = 272,875.80 : x
  2. Step 2: Convert to fraction form
    482,827.80/724,932.90 = 272,875.80/x
  3. Step 3: Cross multiply
    482,827.80x = 724,932.90 × 272,875.80
  4. Step 4: Simplify right side
    482,827.80x = 197,816,645,033.82
  5. Step 5: Solve for x
    x = 197,816,645,033.82/482,827.80
  6. Step 6: Final answer
    x = 409,704.34

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1.5x scale

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.