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Finding the Fourth Proportional to 404,803.72, 607,206.54 and 124,320.52

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Solution

The fourth proportional to 404,803.72, 607,206.54 and 124,320.52 is: 186,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,803.72 : 607,206.54 = 124,320.52 : x
  2. Step 2: Convert to fraction form
    404,803.72/607,206.54 = 124,320.52/x
  3. Step 3: Cross multiply
    404,803.72x = 607,206.54 × 124,320.52
  4. Step 4: Simplify right side
    404,803.72x = 75,488,232,800.20
  5. Step 5: Solve for x
    x = 75,488,232,800.20/404,803.72
  6. Step 6: Final answer
    x = 186,481.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.