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Finding the Fourth Proportional to 555,249.40, 766,235.02 and 300,598.52

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Solution

The fourth proportional to 555,249.40, 766,235.02 and 300,598.52 is: 414,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,249.40 : 766,235.02 = 300,598.52 : x
  2. Step 2: Convert to fraction form
    555,249.40/766,235.02 = 300,598.52/x
  3. Step 3: Cross multiply
    555,249.40x = 766,235.02 × 300,598.52
  4. Step 4: Simplify right side
    555,249.40x = 230,329,112,984.17
  5. Step 5: Solve for x
    x = 230,329,112,984.17/555,249.40
  6. Step 6: Final answer
    x = 414,821.00

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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.