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Finding the Fourth Proportional to 351,036.40, 526,727.40 and 266,767.60

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Solution

The fourth proportional to 351,036.40, 526,727.40 and 266,767.60 is: 400,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,036.40 : 526,727.40 = 266,767.60 : x
  2. Step 2: Convert to fraction form
    351,036.40/526,727.40 = 266,767.60/x
  3. Step 3: Cross multiply
    351,036.40x = 526,727.40 × 266,767.60
  4. Step 4: Simplify right side
    351,036.40x = 140,513,804,352.24
  5. Step 5: Solve for x
    x = 140,513,804,352.24/351,036.40
  6. Step 6: Final answer
    x = 400,282.72

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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.