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Finding the Fourth Proportional to 565,551.60, 848,305.20 and 191,574.56

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Solution

The fourth proportional to 565,551.60, 848,305.20 and 191,574.56 is: 287,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,551.60 : 848,305.20 = 191,574.56 : x
  2. Step 2: Convert to fraction form
    565,551.60/848,305.20 = 191,574.56/x
  3. Step 3: Cross multiply
    565,551.60x = 848,305.20 × 191,574.56
  4. Step 4: Simplify right side
    565,551.60x = 162,513,695,435.71
  5. Step 5: Solve for x
    x = 162,513,695,435.71/565,551.60
  6. Step 6: Final answer
    x = 287,354.32

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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.