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Finding the Fourth Proportional to 373,048.20, 559,512.90 and 123,730.20

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Solution

The fourth proportional to 373,048.20, 559,512.90 and 123,730.20 is: 185,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,048.20 : 559,512.90 = 123,730.20 : x
  2. Step 2: Convert to fraction form
    373,048.20/559,512.90 = 123,730.20/x
  3. Step 3: Cross multiply
    373,048.20x = 559,512.90 × 123,730.20
  4. Step 4: Simplify right side
    373,048.20x = 69,228,643,019.58
  5. Step 5: Solve for x
    x = 69,228,643,019.58/373,048.20
  6. Step 6: Final answer
    x = 185,575.60

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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.