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Finding the Fourth Proportional to 605,408.04, 906,712.38 and 584,412.84

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Solution

The fourth proportional to 605,408.04, 906,712.38 and 584,412.84 is: 875,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,408.04 : 906,712.38 = 584,412.84 : x
  2. Step 2: Convert to fraction form
    605,408.04/906,712.38 = 584,412.84/x
  3. Step 3: Cross multiply
    605,408.04x = 906,712.38 × 584,412.84
  4. Step 4: Simplify right side
    605,408.04x = 529,894,357,058.96
  5. Step 5: Solve for x
    x = 529,894,357,058.96/605,408.04
  6. Step 6: Final answer
    x = 875,268.12

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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.