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Finding the Fourth Proportional to 457,345.73, 685,752.64 and 173,058.23

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Solution

The fourth proportional to 457,345.73, 685,752.64 and 173,058.23 is: 259,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,345.73 : 685,752.64 = 173,058.23 : x
  2. Step 2: Convert to fraction form
    457,345.73/685,752.64 = 173,058.23/x
  3. Step 3: Cross multiply
    457,345.73x = 685,752.64 × 173,058.23
  4. Step 4: Simplify right side
    457,345.73x = 118,675,138,096.23
  5. Step 5: Solve for x
    x = 118,675,138,096.23/457,345.73
  6. Step 6: Final answer
    x = 259,486.71

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1.5x scale

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.