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Finding the Fourth Proportional to 362,703.80, 544,055.70 and 126,070.40

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Solution

The fourth proportional to 362,703.80, 544,055.70 and 126,070.40 is: 189,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,703.80 : 544,055.70 = 126,070.40 : x
  2. Step 2: Convert to fraction form
    362,703.80/544,055.70 = 126,070.40/x
  3. Step 3: Cross multiply
    362,703.80x = 544,055.70 × 126,070.40
  4. Step 4: Simplify right side
    362,703.80x = 68,589,319,721.28
  5. Step 5: Solve for x
    x = 68,589,319,721.28/362,703.80
  6. Step 6: Final answer
    x = 189,105.60

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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.