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Finding the Fourth Proportional to 587,800.60, 881,729.70 and 307,864.60

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Solution

The fourth proportional to 587,800.60, 881,729.70 and 307,864.60 is: 461,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,800.60 : 881,729.70 = 307,864.60 : x
  2. Step 2: Convert to fraction form
    587,800.60/881,729.70 = 307,864.60/x
  3. Step 3: Cross multiply
    587,800.60x = 881,729.70 × 307,864.60
  4. Step 4: Simplify right side
    587,800.60x = 271,453,361,398.62
  5. Step 5: Solve for x
    x = 271,453,361,398.62/587,800.60
  6. Step 6: Final answer
    x = 461,811.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.