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Finding the Fourth Proportional to 319,695.66, 441,176.22 and 176,452.63

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Solution

The fourth proportional to 319,695.66, 441,176.22 and 176,452.63 is: 243,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,695.66 : 441,176.22 = 176,452.63 : x
  2. Step 2: Convert to fraction form
    319,695.66/441,176.22 = 176,452.63/x
  3. Step 3: Cross multiply
    319,695.66x = 441,176.22 × 176,452.63
  4. Step 4: Simplify right side
    319,695.66x = 77,846,703,209.52
  5. Step 5: Solve for x
    x = 77,846,703,209.52/319,695.66
  6. Step 6: Final answer
    x = 243,502.53

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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.