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Finding the Fourth Proportional to 471,948.20, 708,383.10 and 235,557.80

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Solution

The fourth proportional to 471,948.20, 708,383.10 and 235,557.80 is: 353,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,948.20 : 708,383.10 = 235,557.80 : x
  2. Step 2: Convert to fraction form
    471,948.20/708,383.10 = 235,557.80/x
  3. Step 3: Cross multiply
    471,948.20x = 708,383.10 × 235,557.80
  4. Step 4: Simplify right side
    471,948.20x = 166,865,164,593.18
  5. Step 5: Solve for x
    x = 166,865,164,593.18/471,948.20
  6. Step 6: Final answer
    x = 353,566.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.