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Finding the Fourth Proportional to 567,358.12, 851,058.78 and 212,334.76

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Solution

The fourth proportional to 567,358.12, 851,058.78 and 212,334.76 is: 318,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,358.12 : 851,058.78 = 212,334.76 : x
  2. Step 2: Convert to fraction form
    567,358.12/851,058.78 = 212,334.76/x
  3. Step 3: Cross multiply
    567,358.12x = 851,058.78 × 212,334.76
  4. Step 4: Simplify right side
    567,358.12x = 180,709,361,797.19
  5. Step 5: Solve for x
    x = 180,709,361,797.19/567,358.12
  6. Step 6: Final answer
    x = 318,510.22

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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.