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Finding the Fourth Proportional to 888,087.94, 1,225,590.51 and 485,679.94

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Solution

The fourth proportional to 888,087.94, 1,225,590.51 and 485,679.94 is: 670,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,087.94 : 1,225,590.51 = 485,679.94 : x
  2. Step 2: Convert to fraction form
    888,087.94/1,225,590.51 = 485,679.94/x
  3. Step 3: Cross multiply
    888,087.94x = 1,225,590.51 × 485,679.94
  4. Step 4: Simplify right side
    888,087.94x = 595,244,724,118.69
  5. Step 5: Solve for x
    x = 595,244,724,118.69/888,087.94
  6. Step 6: Final answer
    x = 670,254.26

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1.5x scale

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.