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Finding the Fourth Proportional to 622,987.35, 934,510.70 and 302,757.70

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Solution

The fourth proportional to 622,987.35, 934,510.70 and 302,757.70 is: 454,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,987.35 : 934,510.70 = 302,757.70 : x
  2. Step 2: Convert to fraction form
    622,987.35/934,510.70 = 302,757.70/x
  3. Step 3: Cross multiply
    622,987.35x = 934,510.70 × 302,757.70
  4. Step 4: Simplify right side
    622,987.35x = 282,930,310,330.22
  5. Step 5: Solve for x
    x = 282,930,310,330.22/622,987.35
  6. Step 6: Final answer
    x = 454,150.97

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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.