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Finding the Fourth Proportional to 409,553.70, 614,330.55 and 404,304.90

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Solution

The fourth proportional to 409,553.70, 614,330.55 and 404,304.90 is: 606,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,553.70 : 614,330.55 = 404,304.90 : x
  2. Step 2: Convert to fraction form
    409,553.70/614,330.55 = 404,304.90/x
  3. Step 3: Cross multiply
    409,553.70x = 614,330.55 × 404,304.90
  4. Step 4: Simplify right side
    409,553.70x = 248,376,851,584.70
  5. Step 5: Solve for x
    x = 248,376,851,584.70/409,553.70
  6. Step 6: Final answer
    x = 606,457.35

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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.