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Finding the Fourth Proportional to 704,858.32, 972,705.52 and 382,568.52

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Solution

The fourth proportional to 704,858.32, 972,705.52 and 382,568.52 is: 527,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,858.32 : 972,705.52 = 382,568.52 : x
  2. Step 2: Convert to fraction form
    704,858.32/972,705.52 = 382,568.52/x
  3. Step 3: Cross multiply
    704,858.32x = 972,705.52 × 382,568.52
  4. Step 4: Simplify right side
    704,858.32x = 372,126,511,182.23
  5. Step 5: Solve for x
    x = 372,126,511,182.23/704,858.32
  6. Step 6: Final answer
    x = 527,945.12

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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.