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Finding the Fourth Proportional to 438,145.95, 604,499.72 and 244,522.20

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Solution

The fourth proportional to 438,145.95, 604,499.72 and 244,522.20 is: 337,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,145.95 : 604,499.72 = 244,522.20 : x
  2. Step 2: Convert to fraction form
    438,145.95/604,499.72 = 244,522.20/x
  3. Step 3: Cross multiply
    438,145.95x = 604,499.72 × 244,522.20
  4. Step 4: Simplify right side
    438,145.95x = 147,813,600,211.17
  5. Step 5: Solve for x
    x = 147,813,600,211.17/438,145.95
  6. Step 6: Final answer
    x = 337,361.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.