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Finding the Fourth Proportional to 328,488.16, 453,312.72 and 185,247.16

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Solution

The fourth proportional to 328,488.16, 453,312.72 and 185,247.16 is: 255,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,488.16 : 453,312.72 = 185,247.16 : x
  2. Step 2: Convert to fraction form
    328,488.16/453,312.72 = 185,247.16/x
  3. Step 3: Cross multiply
    328,488.16x = 453,312.72 × 185,247.16
  4. Step 4: Simplify right side
    328,488.16x = 83,974,893,971.88
  5. Step 5: Solve for x
    x = 83,974,893,971.88/328,488.16
  6. Step 6: Final answer
    x = 255,640.55

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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.