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Finding the Fourth Proportional to 565,521,171.70, 848,281,757.55 and 293,423,379.70

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Solution

The fourth proportional to 565,521,171.70, 848,281,757.55 and 293,423,379.70 is: 440,135,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,521,171.70 : 848,281,757.55 = 293,423,379.70 : x
  2. Step 2: Convert to fraction form
    565,521,171.70/848,281,757.55 = 293,423,379.70/x
  3. Step 3: Cross multiply
    565,521,171.70x = 848,281,757.55 × 293,423,379.70
  4. Step 4: Simplify right side
    565,521,171.70x = 248,905,700,238,176,960
  5. Step 5: Solve for x
    x = 248,905,700,238,176,960/565,521,171.70
  6. Step 6: Final answer
    x = 440,135,069.55

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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.