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Finding the Fourth Proportional to 425,501.73, 587,184.63 and 231,911.12

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Solution

The fourth proportional to 425,501.73, 587,184.63 and 231,911.12 is: 320,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,501.73 : 587,184.63 = 231,911.12 : x
  2. Step 2: Convert to fraction form
    425,501.73/587,184.63 = 231,911.12/x
  3. Step 3: Cross multiply
    425,501.73x = 587,184.63 × 231,911.12
  4. Step 4: Simplify right side
    425,501.73x = 136,174,642,254.16
  5. Step 5: Solve for x
    x = 136,174,642,254.16/425,501.73
  6. Step 6: Final answer
    x = 320,033.11

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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.