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Finding the Fourth Proportional to 328,798.48, 453,708.84 and 185,550

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Solution

The fourth proportional to 328,798.48, 453,708.84 and 185,550 is: 256,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,798.48 : 453,708.84 = 185,550 : x
  2. Step 2: Convert to fraction form
    328,798.48/453,708.84 = 185,550/x
  3. Step 3: Cross multiply
    328,798.48x = 453,708.84 × 185,550
  4. Step 4: Simplify right side
    328,798.48x = 84,185,675,262
  5. Step 5: Solve for x
    x = 84,185,675,262/328,798.48
  6. Step 6: Final answer
    x = 256,040.34

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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.