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Finding the Fourth Proportional to 565,928.17, 848,712.13 and 186,778.31

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Solution

The fourth proportional to 565,928.17, 848,712.13 and 186,778.31 is: 280,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,928.17 : 848,712.13 = 186,778.31 : x
  2. Step 2: Convert to fraction form
    565,928.17/848,712.13 = 186,778.31/x
  3. Step 3: Cross multiply
    565,928.17x = 848,712.13 × 186,778.31
  4. Step 4: Simplify right side
    565,928.17x = 158,521,012,607.39
  5. Step 5: Solve for x
    x = 158,521,012,607.39/565,928.17
  6. Step 6: Final answer
    x = 280,108.01

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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.