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Finding the Fourth Proportional to 935,181.76, 1,290,637.92 and 532,696

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Solution

The fourth proportional to 935,181.76, 1,290,637.92 and 532,696 is: 735,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,181.76 : 1,290,637.92 = 532,696 : x
  2. Step 2: Convert to fraction form
    935,181.76/1,290,637.92 = 532,696/x
  3. Step 3: Cross multiply
    935,181.76x = 1,290,637.92 × 532,696
  4. Step 4: Simplify right side
    935,181.76x = 687,517,657,432.32
  5. Step 5: Solve for x
    x = 687,517,657,432.32/935,181.76
  6. Step 6: Final answer
    x = 735,170.09

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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.