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Finding the Fourth Proportional to 573,082.70, 859,624.05 and 307,362.20

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Solution

The fourth proportional to 573,082.70, 859,624.05 and 307,362.20 is: 461,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,082.70 : 859,624.05 = 307,362.20 : x
  2. Step 2: Convert to fraction form
    573,082.70/859,624.05 = 307,362.20/x
  3. Step 3: Cross multiply
    573,082.70x = 859,624.05 × 307,362.20
  4. Step 4: Simplify right side
    573,082.70x = 264,215,939,180.91
  5. Step 5: Solve for x
    x = 264,215,939,180.91/573,082.70
  6. Step 6: Final answer
    x = 461,043.30

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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.