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Finding the Fourth Proportional to 935,874.62, 1,291,506.97 and 506,154.74

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Solution

The fourth proportional to 935,874.62, 1,291,506.97 and 506,154.74 is: 698,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,874.62 : 1,291,506.97 = 506,154.74 : x
  2. Step 2: Convert to fraction form
    935,874.62/1,291,506.97 = 506,154.74/x
  3. Step 3: Cross multiply
    935,874.62x = 1,291,506.97 × 506,154.74
  4. Step 4: Simplify right side
    935,874.62x = 653,702,376,571.92
  5. Step 5: Solve for x
    x = 653,702,376,571.92/935,874.62
  6. Step 6: Final answer
    x = 698,493.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.