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Finding the Fourth Proportional to 363,433.20, 544,955.40 and 152,833.20

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Solution

The fourth proportional to 363,433.20, 544,955.40 and 152,833.20 is: 229,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,433.20 : 544,955.40 = 152,833.20 : x
  2. Step 2: Convert to fraction form
    363,433.20/544,955.40 = 152,833.20/x
  3. Step 3: Cross multiply
    363,433.20x = 544,955.40 × 152,833.20
  4. Step 4: Simplify right side
    363,433.20x = 83,287,277,639.28
  5. Step 5: Solve for x
    x = 83,287,277,639.28/363,433.20
  6. Step 6: Final answer
    x = 229,168.05

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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.