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Finding the Fourth Proportional to 645,796.40, 968,694.60 and 566,999.60

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Solution

The fourth proportional to 645,796.40, 968,694.60 and 566,999.60 is: 850,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,796.40 : 968,694.60 = 566,999.60 : x
  2. Step 2: Convert to fraction form
    645,796.40/968,694.60 = 566,999.60/x
  3. Step 3: Cross multiply
    645,796.40x = 968,694.60 × 566,999.60
  4. Step 4: Simplify right side
    645,796.40x = 549,249,450,722.16
  5. Step 5: Solve for x
    x = 549,249,450,722.16/645,796.40
  6. Step 6: Final answer
    x = 850,499.40

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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.