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Finding the Fourth Proportional to 232,776.60, 348,905.70 and 120,413.40

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Solution

The fourth proportional to 232,776.60, 348,905.70 and 120,413.40 is: 180,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,776.60 : 348,905.70 = 120,413.40 : x
  2. Step 2: Convert to fraction form
    232,776.60/348,905.70 = 120,413.40/x
  3. Step 3: Cross multiply
    232,776.60x = 348,905.70 × 120,413.40
  4. Step 4: Simplify right side
    232,776.60x = 42,012,921,616.38
  5. Step 5: Solve for x
    x = 42,012,921,616.38/232,776.60
  6. Step 6: Final answer
    x = 180,486.02

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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.