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Finding the Fourth Proportional to 706,225.25, 974,610.08 and 383,957.57

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Solution

The fourth proportional to 706,225.25, 974,610.08 and 383,957.57 is: 529,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,225.25 : 974,610.08 = 383,957.57 : x
  2. Step 2: Convert to fraction form
    706,225.25/974,610.08 = 383,957.57/x
  3. Step 3: Cross multiply
    706,225.25x = 974,610.08 × 383,957.57
  4. Step 4: Simplify right side
    706,225.25x = 374,208,911,221.47
  5. Step 5: Solve for x
    x = 374,208,911,221.47/706,225.25
  6. Step 6: Final answer
    x = 529,871.90

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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.