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Finding the Fourth Proportional to 360,023.70, 540,035.55 and 123,330.90

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Solution

The fourth proportional to 360,023.70, 540,035.55 and 123,330.90 is: 184,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,023.70 : 540,035.55 = 123,330.90 : x
  2. Step 2: Convert to fraction form
    360,023.70/540,035.55 = 123,330.90/x
  3. Step 3: Cross multiply
    360,023.70x = 540,035.55 × 123,330.90
  4. Step 4: Simplify right side
    360,023.70x = 66,603,070,413.50
  5. Step 5: Solve for x
    x = 66,603,070,413.50/360,023.70
  6. Step 6: Final answer
    x = 184,996.35

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Similar ratio
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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.