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Finding the Fourth Proportional to 617,629.30, 926,443.95 and 607,131.70

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Solution

The fourth proportional to 617,629.30, 926,443.95 and 607,131.70 is: 910,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,629.30 : 926,443.95 = 607,131.70 : x
  2. Step 2: Convert to fraction form
    617,629.30/926,443.95 = 607,131.70/x
  3. Step 3: Cross multiply
    617,629.30x = 926,443.95 × 607,131.70
  4. Step 4: Simplify right side
    617,629.30x = 562,473,490,318.22
  5. Step 5: Solve for x
    x = 562,473,490,318.22/617,629.30
  6. Step 6: Final answer
    x = 910,697.55

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Similar ratio
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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.