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Finding the Fourth Proportional to 706,179.93, 974,534.64 and 383,890.65

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Solution

The fourth proportional to 706,179.93, 974,534.64 and 383,890.65 is: 529,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,179.93 : 974,534.64 = 383,890.65 : x
  2. Step 2: Convert to fraction form
    706,179.93/974,534.64 = 383,890.65/x
  3. Step 3: Cross multiply
    706,179.93x = 974,534.64 × 383,890.65
  4. Step 4: Simplify right side
    706,179.93x = 374,114,736,397.12
  5. Step 5: Solve for x
    x = 374,114,736,397.12/706,179.93
  6. Step 6: Final answer
    x = 529,772.54

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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.