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Finding the Fourth Proportional to 888,426.64, 1,226,038.44 and 486,010

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Solution

The fourth proportional to 888,426.64, 1,226,038.44 and 486,010 is: 670,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,426.64 : 1,226,038.44 = 486,010 : x
  2. Step 2: Convert to fraction form
    888,426.64/1,226,038.44 = 486,010/x
  3. Step 3: Cross multiply
    888,426.64x = 1,226,038.44 × 486,010
  4. Step 4: Simplify right side
    888,426.64x = 595,866,942,224.40
  5. Step 5: Solve for x
    x = 595,866,942,224.40/888,426.64
  6. Step 6: Final answer
    x = 670,699.09

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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.