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Finding the Fourth Proportional to 617,756.76, 926,338.32 and 262,578.24

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Solution

The fourth proportional to 617,756.76, 926,338.32 and 262,578.24 is: 393,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,756.76 : 926,338.32 = 262,578.24 : x
  2. Step 2: Convert to fraction form
    617,756.76/926,338.32 = 262,578.24/x
  3. Step 3: Cross multiply
    617,756.76x = 926,338.32 × 262,578.24
  4. Step 4: Simplify right side
    617,756.76x = 243,236,285,710.16
  5. Step 5: Solve for x
    x = 243,236,285,710.16/617,756.76
  6. Step 6: Final answer
    x = 393,741.20

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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.