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Finding the Fourth Proportional to 706,251.68, 974,646.12 and 383,983.52

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Solution

The fourth proportional to 706,251.68, 974,646.12 and 383,983.52 is: 529,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,251.68 : 974,646.12 = 383,983.52 : x
  2. Step 2: Convert to fraction form
    706,251.68/974,646.12 = 383,983.52/x
  3. Step 3: Cross multiply
    706,251.68x = 974,646.12 × 383,983.52
  4. Step 4: Simplify right side
    706,251.68x = 374,248,047,911.94
  5. Step 5: Solve for x
    x = 374,248,047,911.94/706,251.68
  6. Step 6: Final answer
    x = 529,907.48

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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.