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Finding the Fourth Proportional to 704,856.88, 972,676.47 and 382,560.06

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Solution

The fourth proportional to 704,856.88, 972,676.47 and 382,560.06 is: 527,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,856.88 : 972,676.47 = 382,560.06 : x
  2. Step 2: Convert to fraction form
    704,856.88/972,676.47 = 382,560.06/x
  3. Step 3: Cross multiply
    704,856.88x = 972,676.47 × 382,560.06
  4. Step 4: Simplify right side
    704,856.88x = 372,107,168,723.79
  5. Step 5: Solve for x
    x = 372,107,168,723.79/704,856.88
  6. Step 6: Final answer
    x = 527,918.76

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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.