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Finding the Fourth Proportional to 372,503.84, 514,154.15 and 229,383.83

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Solution

The fourth proportional to 372,503.84, 514,154.15 and 229,383.83 is: 316,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,503.84 : 514,154.15 = 229,383.83 : x
  2. Step 2: Convert to fraction form
    372,503.84/514,154.15 = 229,383.83/x
  3. Step 3: Cross multiply
    372,503.84x = 514,154.15 × 229,383.83
  4. Step 4: Simplify right side
    372,503.84x = 117,938,646,140.08
  5. Step 5: Solve for x
    x = 117,938,646,140.08/372,503.84
  6. Step 6: Final answer
    x = 316,610.56

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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.