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Finding the Fourth Proportional to 372,643.04, 514,233.60 and 202,873.76

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Solution

The fourth proportional to 372,643.04, 514,233.60 and 202,873.76 is: 279,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,643.04 : 514,233.60 = 202,873.76 : x
  2. Step 2: Convert to fraction form
    372,643.04/514,233.60 = 202,873.76/x
  3. Step 3: Cross multiply
    372,643.04x = 514,233.60 × 202,873.76
  4. Step 4: Simplify right side
    372,643.04x = 104,324,503,950.34
  5. Step 5: Solve for x
    x = 104,324,503,950.34/372,643.04
  6. Step 6: Final answer
    x = 279,958.28

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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.