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Finding the Fourth Proportional to 319,151.89, 440,424.35 and 175,925.26

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Solution

The fourth proportional to 319,151.89, 440,424.35 and 175,925.26 is: 242,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,151.89 : 440,424.35 = 175,925.26 : x
  2. Step 2: Convert to fraction form
    319,151.89/440,424.35 = 175,925.26/x
  3. Step 3: Cross multiply
    319,151.89x = 440,424.35 × 175,925.26
  4. Step 4: Simplify right side
    319,151.89x = 77,481,766,081.96
  5. Step 5: Solve for x
    x = 77,481,766,081.96/319,151.89
  6. Step 6: Final answer
    x = 242,773.96

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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.