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Finding the Fourth Proportional to 482,832.61, 724,248.87 and 257,510.41

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Solution

The fourth proportional to 482,832.61, 724,248.87 and 257,510.41 is: 386,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,832.61 : 724,248.87 = 257,510.41 : x
  2. Step 2: Convert to fraction form
    482,832.61/724,248.87 = 257,510.41/x
  3. Step 3: Cross multiply
    482,832.61x = 724,248.87 × 257,510.41
  4. Step 4: Simplify right side
    482,832.61x = 186,501,623,455.74
  5. Step 5: Solve for x
    x = 186,501,623,455.74/482,832.61
  6. Step 6: Final answer
    x = 386,265.59

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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.