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Finding the Fourth Proportional to 567,138.17, 782,801.61 and 334,769.42

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Solution

The fourth proportional to 567,138.17, 782,801.61 and 334,769.42 is: 462,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,138.17 : 782,801.61 = 334,769.42 : x
  2. Step 2: Convert to fraction form
    567,138.17/782,801.61 = 334,769.42/x
  3. Step 3: Cross multiply
    567,138.17x = 782,801.61 × 334,769.42
  4. Step 4: Simplify right side
    567,138.17x = 262,058,040,954.77
  5. Step 5: Solve for x
    x = 262,058,040,954.77/567,138.17
  6. Step 6: Final answer
    x = 462,070.89

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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.