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Finding the Fourth Proportional to 372,506.58, 514,061.37 and 202,742.46

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Solution

The fourth proportional to 372,506.58, 514,061.37 and 202,742.46 is: 279,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,506.58 : 514,061.37 = 202,742.46 : x
  2. Step 2: Convert to fraction form
    372,506.58/514,061.37 = 202,742.46/x
  3. Step 3: Cross multiply
    372,506.58x = 514,061.37 × 202,742.46
  4. Step 4: Simplify right side
    372,506.58x = 104,222,066,744.77
  5. Step 5: Solve for x
    x = 104,222,066,744.77/372,506.58
  6. Step 6: Final answer
    x = 279,785.84

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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.