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Finding the Fourth Proportional to 357,666.84, 536,126.58 and 262,755.90

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Solution

The fourth proportional to 357,666.84, 536,126.58 and 262,755.90 is: 393,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,666.84 : 536,126.58 = 262,755.90 : x
  2. Step 2: Convert to fraction form
    357,666.84/536,126.58 = 262,755.90/x
  3. Step 3: Cross multiply
    357,666.84x = 536,126.58 × 262,755.90
  4. Step 4: Simplify right side
    357,666.84x = 140,870,422,041.82
  5. Step 5: Solve for x
    x = 140,870,422,041.82/357,666.84
  6. Step 6: Final answer
    x = 393,859.33

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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.