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Finding the Fourth Proportional to 328,854.74, 453,652.04 and 199,758.76

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Solution

The fourth proportional to 328,854.74, 453,652.04 and 199,758.76 is: 275,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,854.74 : 453,652.04 = 199,758.76 : x
  2. Step 2: Convert to fraction form
    328,854.74/453,652.04 = 199,758.76/x
  3. Step 3: Cross multiply
    328,854.74x = 453,652.04 × 199,758.76
  4. Step 4: Simplify right side
    328,854.74x = 90,620,968,347.14
  5. Step 5: Solve for x
    x = 90,620,968,347.14/328,854.74
  6. Step 6: Final answer
    x = 275,565.34

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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.