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Finding the Fourth Proportional to 469,897.80, 704,846.70 and 217,177.80

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Solution

The fourth proportional to 469,897.80, 704,846.70 and 217,177.80 is: 325,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,897.80 : 704,846.70 = 217,177.80 : x
  2. Step 2: Convert to fraction form
    469,897.80/704,846.70 = 217,177.80/x
  3. Step 3: Cross multiply
    469,897.80x = 704,846.70 × 217,177.80
  4. Step 4: Simplify right side
    469,897.80x = 153,077,055,643.26
  5. Step 5: Solve for x
    x = 153,077,055,643.26/469,897.80
  6. Step 6: Final answer
    x = 325,766.70

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Similar ratio
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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.