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Finding the Fourth Proportional to 362,720.70, 543,526.65 and 243,952.38

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Solution

The fourth proportional to 362,720.70, 543,526.65 and 243,952.38 is: 365,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,720.70 : 543,526.65 = 243,952.38 : x
  2. Step 2: Convert to fraction form
    362,720.70/543,526.65 = 243,952.38/x
  3. Step 3: Cross multiply
    362,720.70x = 543,526.65 × 243,952.38
  4. Step 4: Simplify right side
    362,720.70x = 132,594,619,860.93
  5. Step 5: Solve for x
    x = 132,594,619,860.93/362,720.70
  6. Step 6: Final answer
    x = 365,555.70

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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.