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Finding the Fourth Proportional to 370,159.72, 510,821.58 and 200,394.52

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Solution

The fourth proportional to 370,159.72, 510,821.58 and 200,394.52 is: 276,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,159.72 : 510,821.58 = 200,394.52 : x
  2. Step 2: Convert to fraction form
    370,159.72/510,821.58 = 200,394.52/x
  3. Step 3: Cross multiply
    370,159.72x = 510,821.58 × 200,394.52
  4. Step 4: Simplify right side
    370,159.72x = 102,365,845,329.74
  5. Step 5: Solve for x
    x = 102,365,845,329.74/370,159.72
  6. Step 6: Final answer
    x = 276,545.07

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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.