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Finding the Fourth Proportional to 705,987.73, 974,263.17 and 383,697.83

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Solution

The fourth proportional to 705,987.73, 974,263.17 and 383,697.83 is: 529,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,987.73 : 974,263.17 = 383,697.83 : x
  2. Step 2: Convert to fraction form
    705,987.73/974,263.17 = 383,697.83/x
  3. Step 3: Cross multiply
    705,987.73x = 974,263.17 × 383,697.83
  4. Step 4: Simplify right side
    705,987.73x = 373,822,664,177.92
  5. Step 5: Solve for x
    x = 373,822,664,177.92/705,987.73
  6. Step 6: Final answer
    x = 529,503.06

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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.