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Finding the Fourth Proportional to 565,909.40, 848,864.10 and 191,932.40

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Solution

The fourth proportional to 565,909.40, 848,864.10 and 191,932.40 is: 287,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,909.40 : 848,864.10 = 191,932.40 : x
  2. Step 2: Convert to fraction form
    565,909.40/848,864.10 = 191,932.40/x
  3. Step 3: Cross multiply
    565,909.40x = 848,864.10 × 191,932.40
  4. Step 4: Simplify right side
    565,909.40x = 162,924,523,986.84
  5. Step 5: Solve for x
    x = 162,924,523,986.84/565,909.40
  6. Step 6: Final answer
    x = 287,898.60

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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.