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Finding the Fourth Proportional to 364,049.87, 502,391.15 and 202,915.15

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Solution

The fourth proportional to 364,049.87, 502,391.15 and 202,915.15 is: 280,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,049.87 : 502,391.15 = 202,915.15 : x
  2. Step 2: Convert to fraction form
    364,049.87/502,391.15 = 202,915.15/x
  3. Step 3: Cross multiply
    364,049.87x = 502,391.15 × 202,915.15
  4. Step 4: Simplify right side
    364,049.87x = 101,942,774,812.23
  5. Step 5: Solve for x
    x = 101,942,774,812.23/364,049.87
  6. Step 6: Final answer
    x = 280,024.21

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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.