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Finding the Fourth Proportional to 472,592.70, 708,889.05 and 172,973.70

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Solution

The fourth proportional to 472,592.70, 708,889.05 and 172,973.70 is: 259,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,592.70 : 708,889.05 = 172,973.70 : x
  2. Step 2: Convert to fraction form
    472,592.70/708,889.05 = 172,973.70/x
  3. Step 3: Cross multiply
    472,592.70x = 708,889.05 × 172,973.70
  4. Step 4: Simplify right side
    472,592.70x = 122,619,161,867.99
  5. Step 5: Solve for x
    x = 122,619,161,867.99/472,592.70
  6. Step 6: Final answer
    x = 259,460.55

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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.