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Finding the Fourth Proportional to 261,216.72, 360,508.86 and 176,506.92

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Solution

The fourth proportional to 261,216.72, 360,508.86 and 176,506.92 is: 243,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,216.72 : 360,508.86 = 176,506.92 : x
  2. Step 2: Convert to fraction form
    261,216.72/360,508.86 = 176,506.92/x
  3. Step 3: Cross multiply
    261,216.72x = 360,508.86 × 176,506.92
  4. Step 4: Simplify right side
    261,216.72x = 63,632,308,511.31
  5. Step 5: Solve for x
    x = 63,632,308,511.31/261,216.72
  6. Step 6: Final answer
    x = 243,599.68

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1.5x scale

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.