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Finding the Fourth Proportional to 328,560.64, 453,396.48 and 185,320.96

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Solution

The fourth proportional to 328,560.64, 453,396.48 and 185,320.96 is: 255,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,560.64 : 453,396.48 = 185,320.96 : x
  2. Step 2: Convert to fraction form
    328,560.64/453,396.48 = 185,320.96/x
  3. Step 3: Cross multiply
    328,560.64x = 453,396.48 × 185,320.96
  4. Step 4: Simplify right side
    328,560.64x = 84,023,870,934.22
  5. Step 5: Solve for x
    x = 84,023,870,934.22/328,560.64
  6. Step 6: Final answer
    x = 255,733.22

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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.