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Finding the Fourth Proportional to 308,633.23, 425,925.98 and 181,307.71

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Solution

The fourth proportional to 308,633.23, 425,925.98 and 181,307.71 is: 250,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,633.23 : 425,925.98 = 181,307.71 : x
  2. Step 2: Convert to fraction form
    308,633.23/425,925.98 = 181,307.71/x
  3. Step 3: Cross multiply
    308,633.23x = 425,925.98 × 181,307.71
  4. Step 4: Simplify right side
    308,633.23x = 77,223,664,063.31
  5. Step 5: Solve for x
    x = 77,223,664,063.31/308,633.23
  6. Step 6: Final answer
    x = 250,211.76

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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.