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Finding the Fourth Proportional to 328,279.88, 453,019.90 and 185,037.16

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Solution

The fourth proportional to 328,279.88, 453,019.90 and 185,037.16 is: 255,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,279.88 : 453,019.90 = 185,037.16 : x
  2. Step 2: Convert to fraction form
    328,279.88/453,019.90 = 185,037.16/x
  3. Step 3: Cross multiply
    328,279.88x = 453,019.90 × 185,037.16
  4. Step 4: Simplify right side
    328,279.88x = 83,825,515,719.48
  5. Step 5: Solve for x
    x = 83,825,515,719.48/328,279.88
  6. Step 6: Final answer
    x = 255,347.71

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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.