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Finding the Fourth Proportional to 268,030.55, 403,972.40 and 231,037.11

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Solution

The fourth proportional to 268,030.55, 403,972.40 and 231,037.11 is: 348,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,030.55 : 403,972.40 = 231,037.11 : x
  2. Step 2: Convert to fraction form
    268,030.55/403,972.40 = 231,037.11/x
  3. Step 3: Cross multiply
    268,030.55x = 403,972.40 × 231,037.11
  4. Step 4: Simplify right side
    268,030.55x = 93,332,616,393.36
  5. Step 5: Solve for x
    x = 93,332,616,393.36/268,030.55
  6. Step 6: Final answer
    x = 348,216.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.