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Finding the Fourth Proportional to 313,270.30, 469,577.40 and 123,657.40

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Solution

The fourth proportional to 313,270.30, 469,577.40 and 123,657.40 is: 185,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,270.30 : 469,577.40 = 123,657.40 : x
  2. Step 2: Convert to fraction form
    313,270.30/469,577.40 = 123,657.40/x
  3. Step 3: Cross multiply
    313,270.30x = 469,577.40 × 123,657.40
  4. Step 4: Simplify right side
    313,270.30x = 58,066,720,382.76
  5. Step 5: Solve for x
    x = 58,066,720,382.76/313,270.30
  6. Step 6: Final answer
    x = 185,356.61

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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.