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Finding the Fourth Proportional to 588,909.20, 883,363.80 and 470,811.20

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Solution

The fourth proportional to 588,909.20, 883,363.80 and 470,811.20 is: 706,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,909.20 : 883,363.80 = 470,811.20 : x
  2. Step 2: Convert to fraction form
    588,909.20/883,363.80 = 470,811.20/x
  3. Step 3: Cross multiply
    588,909.20x = 883,363.80 × 470,811.20
  4. Step 4: Simplify right side
    588,909.20x = 415,897,570,714.56
  5. Step 5: Solve for x
    x = 415,897,570,714.56/588,909.20
  6. Step 6: Final answer
    x = 706,216.80

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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.