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Finding the Fourth Proportional to 565,390.80, 848,086.20 and 502,405.20

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Solution

The fourth proportional to 565,390.80, 848,086.20 and 502,405.20 is: 753,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,390.80 : 848,086.20 = 502,405.20 : x
  2. Step 2: Convert to fraction form
    565,390.80/848,086.20 = 502,405.20/x
  3. Step 3: Cross multiply
    565,390.80x = 848,086.20 × 502,405.20
  4. Step 4: Simplify right side
    565,390.80x = 426,082,916,928.24
  5. Step 5: Solve for x
    x = 426,082,916,928.24/565,390.80
  6. Step 6: Final answer
    x = 753,607.80

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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.