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Finding the Fourth Proportional to 571,209.36, 856,616.40 and 234,154.32

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Solution

The fourth proportional to 571,209.36, 856,616.40 and 234,154.32 is: 351,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,209.36 : 856,616.40 = 234,154.32 : x
  2. Step 2: Convert to fraction form
    571,209.36/856,616.40 = 234,154.32/x
  3. Step 3: Cross multiply
    571,209.36x = 856,616.40 × 234,154.32
  4. Step 4: Simplify right side
    571,209.36x = 200,580,430,642.85
  5. Step 5: Solve for x
    x = 200,580,430,642.85/571,209.36
  6. Step 6: Final answer
    x = 351,150.46

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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.