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Finding the Fourth Proportional to 268,607.40, 403,097.40 and 202,187.40

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Solution

The fourth proportional to 268,607.40, 403,097.40 and 202,187.40 is: 303,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,607.40 : 403,097.40 = 202,187.40 : x
  2. Step 2: Convert to fraction form
    268,607.40/403,097.40 = 202,187.40/x
  3. Step 3: Cross multiply
    268,607.40x = 403,097.40 × 202,187.40
  4. Step 4: Simplify right side
    268,607.40x = 81,501,215,252.76
  5. Step 5: Solve for x
    x = 81,501,215,252.76/268,607.40
  6. Step 6: Final answer
    x = 303,421.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.