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Finding the Fourth Proportional to 527,549.34, 728,001.12 and 301,194.84

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Solution

The fourth proportional to 527,549.34, 728,001.12 and 301,194.84 is: 415,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,549.34 : 728,001.12 = 301,194.84 : x
  2. Step 2: Convert to fraction form
    527,549.34/728,001.12 = 301,194.84/x
  3. Step 3: Cross multiply
    527,549.34x = 728,001.12 × 301,194.84
  4. Step 4: Simplify right side
    527,549.34x = 219,270,180,858.22
  5. Step 5: Solve for x
    x = 219,270,180,858.22/527,549.34
  6. Step 6: Final answer
    x = 415,639.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.