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Finding the Fourth Proportional to 328,407.32, 453,202.74 and 185,167.04

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Solution

The fourth proportional to 328,407.32, 453,202.74 and 185,167.04 is: 255,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,407.32 : 453,202.74 = 185,167.04 : x
  2. Step 2: Convert to fraction form
    328,407.32/453,202.74 = 185,167.04/x
  3. Step 3: Cross multiply
    328,407.32x = 453,202.74 × 185,167.04
  4. Step 4: Simplify right side
    328,407.32x = 83,918,209,885.69
  5. Step 5: Solve for x
    x = 83,918,209,885.69/328,407.32
  6. Step 6: Final answer
    x = 255,530.88

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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.