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Finding the Fourth Proportional to 466,230.30, 699,345.45 and 316,542.30

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Solution

The fourth proportional to 466,230.30, 699,345.45 and 316,542.30 is: 474,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,230.30 : 699,345.45 = 316,542.30 : x
  2. Step 2: Convert to fraction form
    466,230.30/699,345.45 = 316,542.30/x
  3. Step 3: Cross multiply
    466,230.30x = 699,345.45 × 316,542.30
  4. Step 4: Simplify right side
    466,230.30x = 221,372,417,237.54
  5. Step 5: Solve for x
    x = 221,372,417,237.54/466,230.30
  6. Step 6: Final answer
    x = 474,813.45

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Similar ratio
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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.