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Finding the Fourth Proportional to 423,612.37, 584,667.89 and 262,539.01

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Solution

The fourth proportional to 423,612.37, 584,667.89 and 262,539.01 is: 362,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,612.37 : 584,667.89 = 262,539.01 : x
  2. Step 2: Convert to fraction form
    423,612.37/584,667.89 = 262,539.01/x
  3. Step 3: Cross multiply
    423,612.37x = 584,667.89 × 262,539.01
  4. Step 4: Simplify right side
    423,612.37x = 153,498,129,019.39
  5. Step 5: Solve for x
    x = 153,498,129,019.39/423,612.37
  6. Step 6: Final answer
    x = 362,355.16

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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.