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Finding the Fourth Proportional to 544,079.70, 762,498.90 and 544,079.70

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Solution

The fourth proportional to 544,079.70, 762,498.90 and 544,079.70 is: 762,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,079.70 : 762,498.90 = 544,079.70 : x
  2. Step 2: Convert to fraction form
    544,079.70/762,498.90 = 544,079.70/x
  3. Step 3: Cross multiply
    544,079.70x = 762,498.90 × 544,079.70
  4. Step 4: Simplify right side
    544,079.70x = 414,860,172,762.33
  5. Step 5: Solve for x
    x = 414,860,172,762.33/544,079.70
  6. Step 6: Final answer
    x = 762,498.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.