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Finding the Fourth Proportional to 873,959.04, 1,311,134.14 and 266,801.32

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Solution

The fourth proportional to 873,959.04, 1,311,134.14 and 266,801.32 is: 400,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,959.04 : 1,311,134.14 = 266,801.32 : x
  2. Step 2: Convert to fraction form
    873,959.04/1,311,134.14 = 266,801.32/x
  3. Step 3: Cross multiply
    873,959.04x = 1,311,134.14 × 266,801.32
  4. Step 4: Simplify right side
    873,959.04x = 349,812,319,249.07
  5. Step 5: Solve for x
    x = 349,812,319,249.07/873,959.04
  6. Step 6: Final answer
    x = 400,261.69

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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.