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Finding the Fourth Proportional to 362,700.05, 500,272.69 and 307,874.11

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Solution

The fourth proportional to 362,700.05, 500,272.69 and 307,874.11 is: 424,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,700.05 : 500,272.69 = 307,874.11 : x
  2. Step 2: Convert to fraction form
    362,700.05/500,272.69 = 307,874.11/x
  3. Step 3: Cross multiply
    362,700.05x = 500,272.69 × 307,874.11
  4. Step 4: Simplify right side
    362,700.05x = 154,021,008,995.61
  5. Step 5: Solve for x
    x = 154,021,008,995.61/362,700.05
  6. Step 6: Final answer
    x = 424,651.19

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1.5x scale

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.