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Finding the Fourth Proportional to 319,703.69, 441,191.14 and 176,463.78

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Solution

The fourth proportional to 319,703.69, 441,191.14 and 176,463.78 is: 243,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,703.69 : 441,191.14 = 176,463.78 : x
  2. Step 2: Convert to fraction form
    319,703.69/441,191.14 = 176,463.78/x
  3. Step 3: Cross multiply
    319,703.69x = 441,191.14 × 176,463.78
  4. Step 4: Simplify right side
    319,703.69x = 77,854,254,171.28
  5. Step 5: Solve for x
    x = 77,854,254,171.28/319,703.69
  6. Step 6: Final answer
    x = 243,520.03

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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.