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Finding the Fourth Proportional to 617,551.20, 926,326.80 and 301,845.60

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Solution

The fourth proportional to 617,551.20, 926,326.80 and 301,845.60 is: 452,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,551.20 : 926,326.80 = 301,845.60 : x
  2. Step 2: Convert to fraction form
    617,551.20/926,326.80 = 301,845.60/x
  3. Step 3: Cross multiply
    617,551.20x = 926,326.80 × 301,845.60
  4. Step 4: Simplify right side
    617,551.20x = 279,607,668,742.08
  5. Step 5: Solve for x
    x = 279,607,668,742.08/617,551.20
  6. Step 6: Final answer
    x = 452,768.40

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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.