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Finding the Fourth Proportional to 704,521.96, 972,242.04 and 382,231.96

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Solution

The fourth proportional to 704,521.96, 972,242.04 and 382,231.96 is: 527,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,521.96 : 972,242.04 = 382,231.96 : x
  2. Step 2: Convert to fraction form
    704,521.96/972,242.04 = 382,231.96/x
  3. Step 3: Cross multiply
    704,521.96x = 972,242.04 × 382,231.96
  4. Step 4: Simplify right side
    704,521.96x = 371,621,980,543.60
  5. Step 5: Solve for x
    x = 371,621,980,543.60/704,521.96
  6. Step 6: Final answer
    x = 527,481.05

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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.