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Finding the Fourth Proportional to 261,162.54, 360,514.62 and 176,394.42

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Solution

The fourth proportional to 261,162.54, 360,514.62 and 176,394.42 is: 243,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,162.54 : 360,514.62 = 176,394.42 : x
  2. Step 2: Convert to fraction form
    261,162.54/360,514.62 = 176,394.42/x
  3. Step 3: Cross multiply
    261,162.54x = 360,514.62 × 176,394.42
  4. Step 4: Simplify right side
    261,162.54x = 63,592,767,296.42
  5. Step 5: Solve for x
    x = 63,592,767,296.42/261,162.54
  6. Step 6: Final answer
    x = 243,498.81

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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.