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Finding the Fourth Proportional to 319,754.93, 441,259.65 and 176,514.93

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Solution

The fourth proportional to 319,754.93, 441,259.65 and 176,514.93 is: 243,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,754.93 : 441,259.65 = 176,514.93 : x
  2. Step 2: Convert to fraction form
    319,754.93/441,259.65 = 176,514.93/x
  3. Step 3: Cross multiply
    319,754.93x = 441,259.65 × 176,514.93
  4. Step 4: Simplify right side
    319,754.93x = 77,888,916,231.57
  5. Step 5: Solve for x
    x = 77,888,916,231.57/319,754.93
  6. Step 6: Final answer
    x = 243,589.42

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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.