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Finding the Fourth Proportional to 625,055.85, 862,576.26 and 338,577.07

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Solution

The fourth proportional to 625,055.85, 862,576.26 and 338,577.07 is: 467,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,055.85 : 862,576.26 = 338,577.07 : x
  2. Step 2: Convert to fraction form
    625,055.85/862,576.26 = 338,577.07/x
  3. Step 3: Cross multiply
    625,055.85x = 862,576.26 × 338,577.07
  4. Step 4: Simplify right side
    625,055.85x = 292,048,542,762.36
  5. Step 5: Solve for x
    x = 292,048,542,762.36/625,055.85
  6. Step 6: Final answer
    x = 467,235.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.