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Finding the Fourth Proportional to 385,778.74, 532,288.56 and 232,841.74

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Solution

The fourth proportional to 385,778.74, 532,288.56 and 232,841.74 is: 321,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,778.74 : 532,288.56 = 232,841.74 : x
  2. Step 2: Convert to fraction form
    385,778.74/532,288.56 = 232,841.74/x
  3. Step 3: Cross multiply
    385,778.74x = 532,288.56 × 232,841.74
  4. Step 4: Simplify right side
    385,778.74x = 123,938,994,492.49
  5. Step 5: Solve for x
    x = 123,938,994,492.49/385,778.74
  6. Step 6: Final answer
    x = 321,269.63

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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.