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Finding the Fourth Proportional to 695,644.52, 960,458.85 and 434,398.95

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Solution

The fourth proportional to 695,644.52, 960,458.85 and 434,398.95 is: 599,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,644.52 : 960,458.85 = 434,398.95 : x
  2. Step 2: Convert to fraction form
    695,644.52/960,458.85 = 434,398.95/x
  3. Step 3: Cross multiply
    695,644.52x = 960,458.85 × 434,398.95
  4. Step 4: Simplify right side
    695,644.52x = 417,222,315,958.21
  5. Step 5: Solve for x
    x = 417,222,315,958.21/695,644.52
  6. Step 6: Final answer
    x = 599,763.68

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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.