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Finding the Fourth Proportional to 704,856.25, 972,675.60 and 382,559.43

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Solution

The fourth proportional to 704,856.25, 972,675.60 and 382,559.43 is: 527,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,856.25 : 972,675.60 = 382,559.43 : x
  2. Step 2: Convert to fraction form
    704,856.25/972,675.60 = 382,559.43/x
  3. Step 3: Cross multiply
    704,856.25x = 972,675.60 × 382,559.43
  4. Step 4: Simplify right side
    704,856.25x = 372,106,216,334.73
  5. Step 5: Solve for x
    x = 372,106,216,334.73/704,856.25
  6. Step 6: Final answer
    x = 527,917.88

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1.5x scale

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.