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Finding the Fourth Proportional to 362,223.80, 543,335.70 and 125,590.40

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Solution

The fourth proportional to 362,223.80, 543,335.70 and 125,590.40 is: 188,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,223.80 : 543,335.70 = 125,590.40 : x
  2. Step 2: Convert to fraction form
    362,223.80/543,335.70 = 125,590.40/x
  3. Step 3: Cross multiply
    362,223.80x = 543,335.70 × 125,590.40
  4. Step 4: Simplify right side
    362,223.80x = 68,237,747,897.28
  5. Step 5: Solve for x
    x = 68,237,747,897.28/362,223.80
  6. Step 6: Final answer
    x = 188,385.60

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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.