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Finding the Fourth Proportional to 602,180.20, 903,140.70 and 265,220.20

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Solution

The fourth proportional to 602,180.20, 903,140.70 and 265,220.20 is: 397,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,180.20 : 903,140.70 = 265,220.20 : x
  2. Step 2: Convert to fraction form
    602,180.20/903,140.70 = 265,220.20/x
  3. Step 3: Cross multiply
    602,180.20x = 903,140.70 × 265,220.20
  4. Step 4: Simplify right side
    602,180.20x = 239,531,157,082.14
  5. Step 5: Solve for x
    x = 239,531,157,082.14/602,180.20
  6. Step 6: Final answer
    x = 397,773.22

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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.