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Finding the Fourth Proportional to 373,443.60, 560,384.10 and 136,810.20

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Solution

The fourth proportional to 373,443.60, 560,384.10 and 136,810.20 is: 205,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,443.60 : 560,384.10 = 136,810.20 : x
  2. Step 2: Convert to fraction form
    373,443.60/560,384.10 = 136,810.20/x
  3. Step 3: Cross multiply
    373,443.60x = 560,384.10 × 136,810.20
  4. Step 4: Simplify right side
    373,443.60x = 76,666,260,797.82
  5. Step 5: Solve for x
    x = 76,666,260,797.82/373,443.60
  6. Step 6: Final answer
    x = 205,295.42

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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.