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Finding the Fourth Proportional to 385,777.74, 532,287.18 and 232,840.74

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Solution

The fourth proportional to 385,777.74, 532,287.18 and 232,840.74 is: 321,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,777.74 : 532,287.18 = 232,840.74 : x
  2. Step 2: Convert to fraction form
    385,777.74/532,287.18 = 232,840.74/x
  3. Step 3: Cross multiply
    385,777.74x = 532,287.18 × 232,840.74
  4. Step 4: Simplify right side
    385,777.74x = 123,938,140,883.71
  5. Step 5: Solve for x
    x = 123,938,140,883.71/385,777.74
  6. Step 6: Final answer
    x = 321,268.25

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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.