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Finding the Fourth Proportional to 375,300.20, 562,291.47 and 312,524.19

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Solution

The fourth proportional to 375,300.20, 562,291.47 and 312,524.19 is: 468,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,300.20 : 562,291.47 = 312,524.19 : x
  2. Step 2: Convert to fraction form
    375,300.20/562,291.47 = 312,524.19/x
  3. Step 3: Cross multiply
    375,300.20x = 562,291.47 × 312,524.19
  4. Step 4: Simplify right side
    375,300.20x = 175,729,686,205.66
  5. Step 5: Solve for x
    x = 175,729,686,205.66/375,300.20
  6. Step 6: Final answer
    x = 468,237.65

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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.