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Finding the Fourth Proportional to 876,251, 1,209,226.44 and 473,843

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Solution

The fourth proportional to 876,251, 1,209,226.44 and 473,843 is: 653,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,251 : 1,209,226.44 = 473,843 : x
  2. Step 2: Convert to fraction form
    876,251/1,209,226.44 = 473,843/x
  3. Step 3: Cross multiply
    876,251x = 1,209,226.44 × 473,843
  4. Step 4: Simplify right side
    876,251x = 572,983,484,008.92
  5. Step 5: Solve for x
    x = 572,983,484,008.92/876,251
  6. Step 6: Final answer
    x = 653,903.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.