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Finding the Fourth Proportional to 373,390.20, 560,012.40 and 124,072.20

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Solution

The fourth proportional to 373,390.20, 560,012.40 and 124,072.20 is: 186,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,390.20 : 560,012.40 = 124,072.20 : x
  2. Step 2: Convert to fraction form
    373,390.20/560,012.40 = 124,072.20/x
  3. Step 3: Cross multiply
    373,390.20x = 560,012.40 × 124,072.20
  4. Step 4: Simplify right side
    373,390.20x = 69,481,970,495.28
  5. Step 5: Solve for x
    x = 69,481,970,495.28/373,390.20
  6. Step 6: Final answer
    x = 186,084.08

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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.