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Finding the Fourth Proportional to 360,141.75, 540,294.66 and 123,470.10

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Solution

The fourth proportional to 360,141.75, 540,294.66 and 123,470.10 is: 185,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,141.75 : 540,294.66 = 123,470.10 : x
  2. Step 2: Convert to fraction form
    360,141.75/540,294.66 = 123,470.10/x
  3. Step 3: Cross multiply
    360,141.75x = 540,294.66 × 123,470.10
  4. Step 4: Simplify right side
    360,141.75x = 66,710,235,699.67
  5. Step 5: Solve for x
    x = 66,710,235,699.67/360,141.75
  6. Step 6: Final answer
    x = 185,233.27

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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.