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Finding the Fourth Proportional to 372,477.66, 514,003.23 and 202,711.38

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Solution

The fourth proportional to 372,477.66, 514,003.23 and 202,711.38 is: 279,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,477.66 : 514,003.23 = 202,711.38 : x
  2. Step 2: Convert to fraction form
    372,477.66/514,003.23 = 202,711.38/x
  3. Step 3: Cross multiply
    372,477.66x = 514,003.23 × 202,711.38
  4. Step 4: Simplify right side
    372,477.66x = 104,194,304,077.76
  5. Step 5: Solve for x
    x = 104,194,304,077.76/372,477.66
  6. Step 6: Final answer
    x = 279,733.03

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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.