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Finding the Fourth Proportional to 484,396.74, 731,144.88 and 484,396.74

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Solution

The fourth proportional to 484,396.74, 731,144.88 and 484,396.74 is: 731,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,396.74 : 731,144.88 = 484,396.74 : x
  2. Step 2: Convert to fraction form
    484,396.74/731,144.88 = 484,396.74/x
  3. Step 3: Cross multiply
    484,396.74x = 731,144.88 × 484,396.74
  4. Step 4: Simplify right side
    484,396.74x = 354,164,196,339.69
  5. Step 5: Solve for x
    x = 354,164,196,339.69/484,396.74
  6. Step 6: Final answer
    x = 731,144.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.