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Finding the Fourth Proportional to 876,053.16, 1,314,072 and 277,014.84

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Solution

The fourth proportional to 876,053.16, 1,314,072 and 277,014.84 is: 415,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,053.16 : 1,314,072 = 277,014.84 : x
  2. Step 2: Convert to fraction form
    876,053.16/1,314,072 = 277,014.84/x
  3. Step 3: Cross multiply
    876,053.16x = 1,314,072 × 277,014.84
  4. Step 4: Simplify right side
    876,053.16x = 364,017,444,828.48
  5. Step 5: Solve for x
    x = 364,017,444,828.48/876,053.16
  6. Step 6: Final answer
    x = 415,519.81

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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.