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Finding the Fourth Proportional to 565,828.40, 848,718.30 and 191,851.40

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Solution

The fourth proportional to 565,828.40, 848,718.30 and 191,851.40 is: 287,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,828.40 : 848,718.30 = 191,851.40 : x
  2. Step 2: Convert to fraction form
    565,828.40/848,718.30 = 191,851.40/x
  3. Step 3: Cross multiply
    565,828.40x = 848,718.30 × 191,851.40
  4. Step 4: Simplify right side
    565,828.40x = 162,827,794,060.62
  5. Step 5: Solve for x
    x = 162,827,794,060.62/565,828.40
  6. Step 6: Final answer
    x = 287,768.86

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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.