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Finding the Fourth Proportional to 247,347.68, 341,512.68 and 218,446.16

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Solution

The fourth proportional to 247,347.68, 341,512.68 and 218,446.16 is: 301,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,347.68 : 341,512.68 = 218,446.16 : x
  2. Step 2: Convert to fraction form
    247,347.68/341,512.68 = 218,446.16/x
  3. Step 3: Cross multiply
    247,347.68x = 341,512.68 × 218,446.16
  4. Step 4: Simplify right side
    247,347.68x = 74,602,133,537.31
  5. Step 5: Solve for x
    x = 74,602,133,537.31/247,347.68
  6. Step 6: Final answer
    x = 301,608.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.