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Finding the Fourth Proportional to 360,002.40, 539,485.20 and 160,159.20

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Solution

The fourth proportional to 360,002.40, 539,485.20 and 160,159.20 is: 240,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,002.40 : 539,485.20 = 160,159.20 : x
  2. Step 2: Convert to fraction form
    360,002.40/539,485.20 = 160,159.20/x
  3. Step 3: Cross multiply
    360,002.40x = 539,485.20 × 160,159.20
  4. Step 4: Simplify right side
    360,002.40x = 86,403,518,043.84
  5. Step 5: Solve for x
    x = 86,403,518,043.84/360,002.40
  6. Step 6: Final answer
    x = 240,008.17

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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.