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Finding the Fourth Proportional to 711,372.34, 981,692.76 and 425,060.02

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Solution

The fourth proportional to 711,372.34, 981,692.76 and 425,060.02 is: 586,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,372.34 : 981,692.76 = 425,060.02 : x
  2. Step 2: Convert to fraction form
    711,372.34/981,692.76 = 425,060.02/x
  3. Step 3: Cross multiply
    711,372.34x = 981,692.76 × 425,060.02
  4. Step 4: Simplify right side
    711,372.34x = 417,278,344,199.46
  5. Step 5: Solve for x
    x = 417,278,344,199.46/711,372.34
  6. Step 6: Final answer
    x = 586,582.19

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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.