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Finding the Fourth Proportional to 362,845.60, 544,009.20 and 163,002.40

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Solution

The fourth proportional to 362,845.60, 544,009.20 and 163,002.40 is: 244,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,845.60 : 544,009.20 = 163,002.40 : x
  2. Step 2: Convert to fraction form
    362,845.60/544,009.20 = 163,002.40/x
  3. Step 3: Cross multiply
    362,845.60x = 544,009.20 × 163,002.40
  4. Step 4: Simplify right side
    362,845.60x = 88,674,805,222.08
  5. Step 5: Solve for x
    x = 88,674,805,222.08/362,845.60
  6. Step 6: Final answer
    x = 244,387.16

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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.