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Finding the Fourth Proportional to 328,566.96, 453,422.16 and 185,326.56

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Solution

The fourth proportional to 328,566.96, 453,422.16 and 185,326.56 is: 255,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,566.96 : 453,422.16 = 185,326.56 : x
  2. Step 2: Convert to fraction form
    328,566.96/453,422.16 = 185,326.56/x
  3. Step 3: Cross multiply
    328,566.96x = 453,422.16 × 185,326.56
  4. Step 4: Simplify right side
    328,566.96x = 84,031,169,140.57
  5. Step 5: Solve for x
    x = 84,031,169,140.57/328,566.96
  6. Step 6: Final answer
    x = 255,750.51

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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.