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Finding the Fourth Proportional to 358,452, 537,711.48 and 105,732.72

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Solution

The fourth proportional to 358,452, 537,711.48 and 105,732.72 is: 158,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,452 : 537,711.48 = 105,732.72 : x
  2. Step 2: Convert to fraction form
    358,452/537,711.48 = 105,732.72/x
  3. Step 3: Cross multiply
    358,452x = 537,711.48 × 105,732.72
  4. Step 4: Simplify right side
    358,452x = 56,853,697,355.63
  5. Step 5: Solve for x
    x = 56,853,697,355.63/358,452
  6. Step 6: Final answer
    x = 158,608.96

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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.