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Finding the Fourth Proportional to 362,543.20, 544,009.20 and 152,202.40

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Solution

The fourth proportional to 362,543.20, 544,009.20 and 152,202.40 is: 228,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,543.20 : 544,009.20 = 152,202.40 : x
  2. Step 2: Convert to fraction form
    362,543.20/544,009.20 = 152,202.40/x
  3. Step 3: Cross multiply
    362,543.20x = 544,009.20 × 152,202.40
  4. Step 4: Simplify right side
    362,543.20x = 82,799,505,862.08
  5. Step 5: Solve for x
    x = 82,799,505,862.08/362,543.20
  6. Step 6: Final answer
    x = 228,385.21

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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.