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Finding the Fourth Proportional to 655,250.55, 904,524.75 and 440,515.17

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Solution

The fourth proportional to 655,250.55, 904,524.75 and 440,515.17 is: 608,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,250.55 : 904,524.75 = 440,515.17 : x
  2. Step 2: Convert to fraction form
    655,250.55/904,524.75 = 440,515.17/x
  3. Step 3: Cross multiply
    655,250.55x = 904,524.75 × 440,515.17
  4. Step 4: Simplify right side
    655,250.55x = 398,456,874,015.46
  5. Step 5: Solve for x
    x = 398,456,874,015.46/655,250.55
  6. Step 6: Final answer
    x = 608,098.50

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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.