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Finding the Fourth Proportional to 617,552.20, 926,328.30 and 576,080.20

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Solution

The fourth proportional to 617,552.20, 926,328.30 and 576,080.20 is: 864,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,552.20 : 926,328.30 = 576,080.20 : x
  2. Step 2: Convert to fraction form
    617,552.20/926,328.30 = 576,080.20/x
  3. Step 3: Cross multiply
    617,552.20x = 926,328.30 × 576,080.20
  4. Step 4: Simplify right side
    617,552.20x = 533,639,392,329.66
  5. Step 5: Solve for x
    x = 533,639,392,329.66/617,552.20
  6. Step 6: Final answer
    x = 864,120.30

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Double scale
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Similar ratio
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1.5x scale

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.