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Finding the Fourth Proportional to 704,825.31, 972,659.88 and 382,535.41

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Solution

The fourth proportional to 704,825.31, 972,659.88 and 382,535.41 is: 527,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,825.31 : 972,659.88 = 382,535.41 : x
  2. Step 2: Convert to fraction form
    704,825.31/972,659.88 = 382,535.41/x
  3. Step 3: Cross multiply
    704,825.31x = 972,659.88 × 382,535.41
  4. Step 4: Simplify right side
    704,825.31x = 372,076,845,378.44
  5. Step 5: Solve for x
    x = 372,076,845,378.44/704,825.31
  6. Step 6: Final answer
    x = 527,899.38

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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.