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Finding the Fourth Proportional to 363,005.20, 544,702.20 and 152,664.40

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Solution

The fourth proportional to 363,005.20, 544,702.20 and 152,664.40 is: 229,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,005.20 : 544,702.20 = 152,664.40 : x
  2. Step 2: Convert to fraction form
    363,005.20/544,702.20 = 152,664.40/x
  3. Step 3: Cross multiply
    363,005.20x = 544,702.20 × 152,664.40
  4. Step 4: Simplify right side
    363,005.20x = 83,156,634,541.68
  5. Step 5: Solve for x
    x = 83,156,634,541.68/363,005.20
  6. Step 6: Final answer
    x = 229,078.36

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1.5x scale

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.