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Finding the Fourth Proportional to 362,242.48, 499,870.80 and 201,089.68

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Solution

The fourth proportional to 362,242.48, 499,870.80 and 201,089.68 is: 277,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,242.48 : 499,870.80 = 201,089.68 : x
  2. Step 2: Convert to fraction form
    362,242.48/499,870.80 = 201,089.68/x
  3. Step 3: Cross multiply
    362,242.48x = 499,870.80 × 201,089.68
  4. Step 4: Simplify right side
    362,242.48x = 100,518,859,213.34
  5. Step 5: Solve for x
    x = 100,518,859,213.34/362,242.48
  6. Step 6: Final answer
    x = 277,490.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.