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Finding the Fourth Proportional to 439,185.76, 658,269.96 and 202,030.72

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Solution

The fourth proportional to 439,185.76, 658,269.96 and 202,030.72 is: 302,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,185.76 : 658,269.96 = 202,030.72 : x
  2. Step 2: Convert to fraction form
    439,185.76/658,269.96 = 202,030.72/x
  3. Step 3: Cross multiply
    439,185.76x = 658,269.96 × 202,030.72
  4. Step 4: Simplify right side
    439,185.76x = 132,990,753,973.17
  5. Step 5: Solve for x
    x = 132,990,753,973.17/439,185.76
  6. Step 6: Final answer
    x = 302,812.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.