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Finding the Fourth Proportional to 360,064.88, 539,995.25 and 149,442.20

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Solution

The fourth proportional to 360,064.88, 539,995.25 and 149,442.20 is: 224,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,064.88 : 539,995.25 = 149,442.20 : x
  2. Step 2: Convert to fraction form
    360,064.88/539,995.25 = 149,442.20/x
  3. Step 3: Cross multiply
    360,064.88x = 539,995.25 × 149,442.20
  4. Step 4: Simplify right side
    360,064.88x = 80,698,074,702.36
  5. Step 5: Solve for x
    x = 80,698,074,702.36/360,064.88
  6. Step 6: Final answer
    x = 224,120.93

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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.