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Finding the Fourth Proportional to 577,206.60, 865,809.90 and 262,278.60

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Solution

The fourth proportional to 577,206.60, 865,809.90 and 262,278.60 is: 393,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,206.60 : 865,809.90 = 262,278.60 : x
  2. Step 2: Convert to fraction form
    577,206.60/865,809.90 = 262,278.60/x
  3. Step 3: Cross multiply
    577,206.60x = 865,809.90 × 262,278.60
  4. Step 4: Simplify right side
    577,206.60x = 227,083,408,438.14
  5. Step 5: Solve for x
    x = 227,083,408,438.14/577,206.60
  6. Step 6: Final answer
    x = 393,417.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.