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Finding the Fourth Proportional to 360,010.40, 539,497.20 and 160,167.20

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Solution

The fourth proportional to 360,010.40, 539,497.20 and 160,167.20 is: 240,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,010.40 : 539,497.20 = 160,167.20 : x
  2. Step 2: Convert to fraction form
    360,010.40/539,497.20 = 160,167.20/x
  3. Step 3: Cross multiply
    360,010.40x = 539,497.20 × 160,167.20
  4. Step 4: Simplify right side
    360,010.40x = 86,409,755,931.84
  5. Step 5: Solve for x
    x = 86,409,755,931.84/360,010.40
  6. Step 6: Final answer
    x = 240,020.17

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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.