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Finding the Fourth Proportional to 583,706.87, 875,513.55 and 259,595.31

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Solution

The fourth proportional to 583,706.87, 875,513.55 and 259,595.31 is: 389,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,706.87 : 875,513.55 = 259,595.31 : x
  2. Step 2: Convert to fraction form
    583,706.87/875,513.55 = 259,595.31/x
  3. Step 3: Cross multiply
    583,706.87x = 875,513.55 × 259,595.31
  4. Step 4: Simplify right side
    583,706.87x = 227,279,211,421.45
  5. Step 5: Solve for x
    x = 227,279,211,421.45/583,706.87
  6. Step 6: Final answer
    x = 389,372.17

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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.