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Finding the Fourth Proportional to 319,013.70, 440,238.52 and 175,773.70

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Solution

The fourth proportional to 319,013.70, 440,238.52 and 175,773.70 is: 242,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,013.70 : 440,238.52 = 175,773.70 : x
  2. Step 2: Convert to fraction form
    319,013.70/440,238.52 = 175,773.70/x
  3. Step 3: Cross multiply
    319,013.70x = 440,238.52 × 175,773.70
  4. Step 4: Simplify right side
    319,013.70x = 77,382,353,542.92
  5. Step 5: Solve for x
    x = 77,382,353,542.92/319,013.70
  6. Step 6: Final answer
    x = 242,567.49

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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.