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Finding the Fourth Proportional to 587,693.60, 881,540.40 and 555,744.80

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Solution

The fourth proportional to 587,693.60, 881,540.40 and 555,744.80 is: 833,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,693.60 : 881,540.40 = 555,744.80 : x
  2. Step 2: Convert to fraction form
    587,693.60/881,540.40 = 555,744.80/x
  3. Step 3: Cross multiply
    587,693.60x = 881,540.40 × 555,744.80
  4. Step 4: Simplify right side
    587,693.60x = 489,911,493,289.92
  5. Step 5: Solve for x
    x = 489,911,493,289.92/587,693.60
  6. Step 6: Final answer
    x = 833,617.20

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Similar ratio
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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.