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Finding the Fourth Proportional to 328,358.22, 453,130.92 and 185,164.53

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Solution

The fourth proportional to 328,358.22, 453,130.92 and 185,164.53 is: 255,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,358.22 : 453,130.92 = 185,164.53 : x
  2. Step 2: Convert to fraction form
    328,358.22/453,130.92 = 185,164.53/x
  3. Step 3: Cross multiply
    328,358.22x = 453,130.92 × 185,164.53
  4. Step 4: Simplify right side
    328,358.22x = 83,903,773,830.27
  5. Step 5: Solve for x
    x = 83,903,773,830.27/328,358.22
  6. Step 6: Final answer
    x = 255,525.12

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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.