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Finding the Fourth Proportional to 574,881.80, 862,322.70 and 294,945.80

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Solution

The fourth proportional to 574,881.80, 862,322.70 and 294,945.80 is: 442,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,881.80 : 862,322.70 = 294,945.80 : x
  2. Step 2: Convert to fraction form
    574,881.80/862,322.70 = 294,945.80/x
  3. Step 3: Cross multiply
    574,881.80x = 862,322.70 × 294,945.80
  4. Step 4: Simplify right side
    574,881.80x = 254,338,458,609.66
  5. Step 5: Solve for x
    x = 254,338,458,609.66/574,881.80
  6. Step 6: Final answer
    x = 442,418.70

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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.