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Finding the Fourth Proportional to 706,002.18, 974,283.18 and 383,712.36

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Solution

The fourth proportional to 706,002.18, 974,283.18 and 383,712.36 is: 529,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,002.18 : 974,283.18 = 383,712.36 : x
  2. Step 2: Convert to fraction form
    706,002.18/974,283.18 = 383,712.36/x
  3. Step 3: Cross multiply
    706,002.18x = 974,283.18 × 383,712.36
  4. Step 4: Simplify right side
    706,002.18x = 373,844,498,306.11
  5. Step 5: Solve for x
    x = 373,844,498,306.11/706,002.18
  6. Step 6: Final answer
    x = 529,523.15

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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.