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Finding the Fourth Proportional to 555,758.93, 766,937.30 and 314,036.30

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Solution

The fourth proportional to 555,758.93, 766,937.30 and 314,036.30 is: 433,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,758.93 : 766,937.30 = 314,036.30 : x
  2. Step 2: Convert to fraction form
    555,758.93/766,937.30 = 314,036.30/x
  3. Step 3: Cross multiply
    555,758.93x = 766,937.30 × 314,036.30
  4. Step 4: Simplify right side
    555,758.93x = 240,846,146,619.12
  5. Step 5: Solve for x
    x = 240,846,146,619.12/555,758.93
  6. Step 6: Final answer
    x = 433,364.42

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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.