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Finding the Fourth Proportional to 575,551.40, 863,327.10 and 322,572.20

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Solution

The fourth proportional to 575,551.40, 863,327.10 and 322,572.20 is: 483,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,551.40 : 863,327.10 = 322,572.20 : x
  2. Step 2: Convert to fraction form
    575,551.40/863,327.10 = 322,572.20/x
  3. Step 3: Cross multiply
    575,551.40x = 863,327.10 × 322,572.20
  4. Step 4: Simplify right side
    575,551.40x = 278,485,321,966.62
  5. Step 5: Solve for x
    x = 278,485,321,966.62/575,551.40
  6. Step 6: Final answer
    x = 483,858.30

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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.