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Finding the Fourth Proportional to 573,351.20, 860,026.80 and 146,886.20

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Solution

The fourth proportional to 573,351.20, 860,026.80 and 146,886.20 is: 220,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,351.20 : 860,026.80 = 146,886.20 : x
  2. Step 2: Convert to fraction form
    573,351.20/860,026.80 = 146,886.20/x
  3. Step 3: Cross multiply
    573,351.20x = 860,026.80 × 146,886.20
  4. Step 4: Simplify right side
    573,351.20x = 126,326,068,550.16
  5. Step 5: Solve for x
    x = 126,326,068,550.16/573,351.20
  6. Step 6: Final answer
    x = 220,329.30

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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.