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Finding the Fourth Proportional to 328,373.85, 453,156.45 and 185,133.51

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Solution

The fourth proportional to 328,373.85, 453,156.45 and 185,133.51 is: 255,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,373.85 : 453,156.45 = 185,133.51 : x
  2. Step 2: Convert to fraction form
    328,373.85/453,156.45 = 185,133.51/x
  3. Step 3: Cross multiply
    328,373.85x = 453,156.45 × 185,133.51
  4. Step 4: Simplify right side
    328,373.85x = 83,894,444,167.64
  5. Step 5: Solve for x
    x = 83,894,444,167.64/328,373.85
  6. Step 6: Final answer
    x = 255,484.55

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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.