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Finding the Fourth Proportional to 602,517.40, 903,516.90 and 302,882.20

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Solution

The fourth proportional to 602,517.40, 903,516.90 and 302,882.20 is: 454,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,517.40 : 903,516.90 = 302,882.20 : x
  2. Step 2: Convert to fraction form
    602,517.40/903,516.90 = 302,882.20/x
  3. Step 3: Cross multiply
    602,517.40x = 903,516.90 × 302,882.20
  4. Step 4: Simplify right side
    602,517.40x = 273,659,186,409.18
  5. Step 5: Solve for x
    x = 273,659,186,409.18/602,517.40
  6. Step 6: Final answer
    x = 454,193.00

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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.