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Finding the Fourth Proportional to 574,851.50, 862,646.32 and 385,525.68

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Solution

The fourth proportional to 574,851.50, 862,646.32 and 385,525.68 is: 578,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,851.50 : 862,646.32 = 385,525.68 : x
  2. Step 2: Convert to fraction form
    574,851.50/862,646.32 = 385,525.68/x
  3. Step 3: Cross multiply
    574,851.50x = 862,646.32 × 385,525.68
  4. Step 4: Simplify right side
    574,851.50x = 332,572,309,117.50
  5. Step 5: Solve for x
    x = 332,572,309,117.50/574,851.50
  6. Step 6: Final answer
    x = 578,536.04

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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.