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Finding the Fourth Proportional to 600,374.81, 900,915.81 and 221,562.11

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Solution

The fourth proportional to 600,374.81, 900,915.81 and 221,562.11 is: 332,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,374.81 : 900,915.81 = 221,562.11 : x
  2. Step 2: Convert to fraction form
    600,374.81/900,915.81 = 221,562.11/x
  3. Step 3: Cross multiply
    600,374.81x = 900,915.81 × 221,562.11
  4. Step 4: Simplify right side
    600,374.81x = 199,608,803,291.38
  5. Step 5: Solve for x
    x = 199,608,803,291.38/600,374.81
  6. Step 6: Final answer
    x = 332,473.65

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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.