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Finding the Fourth Proportional to 424,792.02, 586,212.95 and 231,201.11

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Solution

The fourth proportional to 424,792.02, 586,212.95 and 231,201.11 is: 319,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,792.02 : 586,212.95 = 231,201.11 : x
  2. Step 2: Convert to fraction form
    424,792.02/586,212.95 = 231,201.11/x
  3. Step 3: Cross multiply
    424,792.02x = 586,212.95 × 231,201.11
  4. Step 4: Simplify right side
    424,792.02x = 135,533,087,628.75
  5. Step 5: Solve for x
    x = 135,533,087,628.75/424,792.02
  6. Step 6: Final answer
    x = 319,057.52

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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.