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Finding the Fourth Proportional to 427,974.83, 590,598 and 236,984.12

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Solution

The fourth proportional to 427,974.83, 590,598 and 236,984.12 is: 327,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,974.83 : 590,598 = 236,984.12 : x
  2. Step 2: Convert to fraction form
    427,974.83/590,598 = 236,984.12/x
  3. Step 3: Cross multiply
    427,974.83x = 590,598 × 236,984.12
  4. Step 4: Simplify right side
    427,974.83x = 139,962,347,303.76
  5. Step 5: Solve for x
    x = 139,962,347,303.76/427,974.83
  6. Step 6: Final answer
    x = 327,034.06

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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.