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Finding the Fourth Proportional to 490,082.60, 735,123.90 and 370,332.20

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Solution

The fourth proportional to 490,082.60, 735,123.90 and 370,332.20 is: 555,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,082.60 : 735,123.90 = 370,332.20 : x
  2. Step 2: Convert to fraction form
    490,082.60/735,123.90 = 370,332.20/x
  3. Step 3: Cross multiply
    490,082.60x = 735,123.90 × 370,332.20
  4. Step 4: Simplify right side
    490,082.60x = 272,240,051,159.58
  5. Step 5: Solve for x
    x = 272,240,051,159.58/490,082.60
  6. Step 6: Final answer
    x = 555,498.30

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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.