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Finding the Fourth Proportional to 369,641.80, 510,105.28 and 199,875.52

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Solution

The fourth proportional to 369,641.80, 510,105.28 and 199,875.52 is: 275,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,641.80 : 510,105.28 = 199,875.52 : x
  2. Step 2: Convert to fraction form
    369,641.80/510,105.28 = 199,875.52/x
  3. Step 3: Cross multiply
    369,641.80x = 510,105.28 × 199,875.52
  4. Step 4: Simplify right side
    369,641.80x = 101,957,558,094.75
  5. Step 5: Solve for x
    x = 101,957,558,094.75/369,641.80
  6. Step 6: Final answer
    x = 275,828.00

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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.