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Finding the Fourth Proportional to 573,105.20, 859,657.80 and 307,384.70

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Solution

The fourth proportional to 573,105.20, 859,657.80 and 307,384.70 is: 461,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,105.20 : 859,657.80 = 307,384.70 : x
  2. Step 2: Convert to fraction form
    573,105.20/859,657.80 = 307,384.70/x
  3. Step 3: Cross multiply
    573,105.20x = 859,657.80 × 307,384.70
  4. Step 4: Simplify right side
    573,105.20x = 264,245,654,955.66
  5. Step 5: Solve for x
    x = 264,245,654,955.66/573,105.20
  6. Step 6: Final answer
    x = 461,077.05

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Similar ratio
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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.