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Finding the Fourth Proportional to 704,859.25, 972,679.74 and 382,562.42

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Solution

The fourth proportional to 704,859.25, 972,679.74 and 382,562.42 is: 527,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,859.25 : 972,679.74 = 382,562.42 : x
  2. Step 2: Convert to fraction form
    704,859.25/972,679.74 = 382,562.42/x
  3. Step 3: Cross multiply
    704,859.25x = 972,679.74 × 382,562.42
  4. Step 4: Simplify right side
    704,859.25x = 372,110,715,219.37
  5. Step 5: Solve for x
    x = 372,110,715,219.37/704,859.25
  6. Step 6: Final answer
    x = 527,922.01

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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.