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Finding the Fourth Proportional to 472,522.80, 708,784.20 and 269,910.93

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Solution

The fourth proportional to 472,522.80, 708,784.20 and 269,910.93 is: 404,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,522.80 : 708,784.20 = 269,910.93 : x
  2. Step 2: Convert to fraction form
    472,522.80/708,784.20 = 269,910.93/x
  3. Step 3: Cross multiply
    472,522.80x = 708,784.20 × 269,910.93
  4. Step 4: Simplify right side
    472,522.80x = 191,308,602,591.31
  5. Step 5: Solve for x
    x = 191,308,602,591.31/472,522.80
  6. Step 6: Final answer
    x = 404,866.40

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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.