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Finding the Fourth Proportional to 573,764.60, 860,646.90 and 293,828.60

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Solution

The fourth proportional to 573,764.60, 860,646.90 and 293,828.60 is: 440,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,764.60 : 860,646.90 = 293,828.60 : x
  2. Step 2: Convert to fraction form
    573,764.60/860,646.90 = 293,828.60/x
  3. Step 3: Cross multiply
    573,764.60x = 860,646.90 × 293,828.60
  4. Step 4: Simplify right side
    573,764.60x = 252,882,673,721.34
  5. Step 5: Solve for x
    x = 252,882,673,721.34/573,764.60
  6. Step 6: Final answer
    x = 440,742.90

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Double scale
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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.