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Finding the Fourth Proportional to 985,363.68, 1,359,803.85 and 532,654.68

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Solution

The fourth proportional to 985,363.68, 1,359,803.85 and 532,654.68 is: 735,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,363.68 : 1,359,803.85 = 532,654.68 : x
  2. Step 2: Convert to fraction form
    985,363.68/1,359,803.85 = 532,654.68/x
  3. Step 3: Cross multiply
    985,363.68x = 1,359,803.85 × 532,654.68
  4. Step 4: Simplify right side
    985,363.68x = 724,305,890,682.51
  5. Step 5: Solve for x
    x = 724,305,890,682.51/985,363.68
  6. Step 6: Final answer
    x = 735,064.53

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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.