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Finding the Fourth Proportional to 555,756.54, 766,934.02 and 314,033.91

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Solution

The fourth proportional to 555,756.54, 766,934.02 and 314,033.91 is: 433,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,756.54 : 766,934.02 = 314,033.91 : x
  2. Step 2: Convert to fraction form
    555,756.54/766,934.02 = 314,033.91/x
  3. Step 3: Cross multiply
    555,756.54x = 766,934.02 × 314,033.91
  4. Step 4: Simplify right side
    555,756.54x = 240,843,290,843.16
  5. Step 5: Solve for x
    x = 240,843,290,843.16/555,756.54
  6. Step 6: Final answer
    x = 433,361.14

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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.