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Finding the Fourth Proportional to 617,488.87, 926,103.70 and 174,153.19

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Solution

The fourth proportional to 617,488.87, 926,103.70 and 174,153.19 is: 261,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,488.87 : 926,103.70 = 174,153.19 : x
  2. Step 2: Convert to fraction form
    617,488.87/926,103.70 = 174,153.19/x
  3. Step 3: Cross multiply
    617,488.87x = 926,103.70 × 174,153.19
  4. Step 4: Simplify right side
    617,488.87x = 161,283,911,528.24
  5. Step 5: Solve for x
    x = 161,283,911,528.24/617,488.87
  6. Step 6: Final answer
    x = 261,193.23

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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.