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Finding the Fourth Proportional to 328,559.76, 453,374.42 and 185,322.20

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Solution

The fourth proportional to 328,559.76, 453,374.42 and 185,322.20 is: 255,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,559.76 : 453,374.42 = 185,322.20 : x
  2. Step 2: Convert to fraction form
    328,559.76/453,374.42 = 185,322.20/x
  3. Step 3: Cross multiply
    328,559.76x = 453,374.42 × 185,322.20
  4. Step 4: Simplify right side
    328,559.76x = 84,020,341,744.64
  5. Step 5: Solve for x
    x = 84,020,341,744.64/328,559.76
  6. Step 6: Final answer
    x = 255,723.17

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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.