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Finding the Fourth Proportional to 574,858.92, 862,421.85 and 195,782.93

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Solution

The fourth proportional to 574,858.92, 862,421.85 and 195,782.93 is: 293,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,858.92 : 862,421.85 = 195,782.93 : x
  2. Step 2: Convert to fraction form
    574,858.92/862,421.85 = 195,782.93/x
  3. Step 3: Cross multiply
    574,858.92x = 862,421.85 × 195,782.93
  4. Step 4: Simplify right side
    574,858.92x = 168,847,477,265.20
  5. Step 5: Solve for x
    x = 168,847,477,265.20/574,858.92
  6. Step 6: Final answer
    x = 293,719.85

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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.