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Finding the Fourth Proportional to 319,703.73, 441,159.69 and 176,454.51

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Solution

The fourth proportional to 319,703.73, 441,159.69 and 176,454.51 is: 243,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,703.73 : 441,159.69 = 176,454.51 : x
  2. Step 2: Convert to fraction form
    319,703.73/441,159.69 = 176,454.51/x
  3. Step 3: Cross multiply
    319,703.73x = 441,159.69 × 176,454.51
  4. Step 4: Simplify right side
    319,703.73x = 77,844,616,930.70
  5. Step 5: Solve for x
    x = 77,844,616,930.70/319,703.73
  6. Step 6: Final answer
    x = 243,489.86

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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.