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Finding the Fourth Proportional to 360,301.77, 540,269.04 and 120,329.35

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Solution

The fourth proportional to 360,301.77, 540,269.04 and 120,329.35 is: 180,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,301.77 : 540,269.04 = 120,329.35 : x
  2. Step 2: Convert to fraction form
    360,301.77/540,269.04 = 120,329.35/x
  3. Step 3: Cross multiply
    360,301.77x = 540,269.04 × 120,329.35
  4. Step 4: Simplify right side
    360,301.77x = 65,010,220,832.03
  5. Step 5: Solve for x
    x = 65,010,220,832.03/360,301.77
  6. Step 6: Final answer
    x = 180,432.70

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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.