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Finding the Fourth Proportional to 385,326.76, 531,758.58 and 232,364.20

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Solution

The fourth proportional to 385,326.76, 531,758.58 and 232,364.20 is: 320,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,326.76 : 531,758.58 = 232,364.20 : x
  2. Step 2: Convert to fraction form
    385,326.76/531,758.58 = 232,364.20/x
  3. Step 3: Cross multiply
    385,326.76x = 531,758.58 × 232,364.20
  4. Step 4: Simplify right side
    385,326.76x = 123,561,657,034.84
  5. Step 5: Solve for x
    x = 123,561,657,034.84/385,326.76
  6. Step 6: Final answer
    x = 320,667.21

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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.