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Finding the Fourth Proportional to 468,084.80, 701,320.80 and 218,254.40

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Solution

The fourth proportional to 468,084.80, 701,320.80 and 218,254.40 is: 327,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,084.80 : 701,320.80 = 218,254.40 : x
  2. Step 2: Convert to fraction form
    468,084.80/701,320.80 = 218,254.40/x
  3. Step 3: Cross multiply
    468,084.80x = 701,320.80 × 218,254.40
  4. Step 4: Simplify right side
    468,084.80x = 153,066,350,411.52
  5. Step 5: Solve for x
    x = 153,066,350,411.52/468,084.80
  6. Step 6: Final answer
    x = 327,005.60

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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.