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Finding the Fourth Proportional to 362,886.60, 544,070.70 and 163,043.40

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Solution

The fourth proportional to 362,886.60, 544,070.70 and 163,043.40 is: 244,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,886.60 : 544,070.70 = 163,043.40 : x
  2. Step 2: Convert to fraction form
    362,886.60/544,070.70 = 163,043.40/x
  3. Step 3: Cross multiply
    362,886.60x = 544,070.70 × 163,043.40
  4. Step 4: Simplify right side
    362,886.60x = 88,707,136,768.38
  5. Step 5: Solve for x
    x = 88,707,136,768.38/362,886.60
  6. Step 6: Final answer
    x = 244,448.64

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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.