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Finding the Fourth Proportional to 258,150.22, 355,960.12 and 176,491.78

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Solution

The fourth proportional to 258,150.22, 355,960.12 and 176,491.78 is: 243,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,150.22 : 355,960.12 = 176,491.78 : x
  2. Step 2: Convert to fraction form
    258,150.22/355,960.12 = 176,491.78/x
  3. Step 3: Cross multiply
    258,150.22x = 355,960.12 × 176,491.78
  4. Step 4: Simplify right side
    258,150.22x = 62,824,034,305.35
  5. Step 5: Solve for x
    x = 62,824,034,305.35/258,150.22
  6. Step 6: Final answer
    x = 243,362.31

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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.