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Finding the Fourth Proportional to 319,602.69, 441,053.01 and 176,366.88

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Solution

The fourth proportional to 319,602.69, 441,053.01 and 176,366.88 is: 243,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,602.69 : 441,053.01 = 176,366.88 : x
  2. Step 2: Convert to fraction form
    319,602.69/441,053.01 = 176,366.88/x
  3. Step 3: Cross multiply
    319,602.69x = 441,053.01 × 176,366.88
  4. Step 4: Simplify right side
    319,602.69x = 77,787,143,288.31
  5. Step 5: Solve for x
    x = 77,787,143,288.31/319,602.69
  6. Step 6: Final answer
    x = 243,387.01

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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.