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Finding the Fourth Proportional to 706,267.71, 974,644.61 and 383,977.80

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Solution

The fourth proportional to 706,267.71, 974,644.61 and 383,977.80 is: 529,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,267.71 : 974,644.61 = 383,977.80 : x
  2. Step 2: Convert to fraction form
    706,267.71/974,644.61 = 383,977.80/x
  3. Step 3: Cross multiply
    706,267.71x = 974,644.61 × 383,977.80
  4. Step 4: Simplify right side
    706,267.71x = 374,241,891,209.77
  5. Step 5: Solve for x
    x = 374,241,891,209.77/706,267.71
  6. Step 6: Final answer
    x = 529,886.74

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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.