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Finding the Fourth Proportional to 661,664.60, 992,496.90 and 588,181.40

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Solution

The fourth proportional to 661,664.60, 992,496.90 and 588,181.40 is: 882,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,664.60 : 992,496.90 = 588,181.40 : x
  2. Step 2: Convert to fraction form
    661,664.60/992,496.90 = 588,181.40/x
  3. Step 3: Cross multiply
    661,664.60x = 992,496.90 × 588,181.40
  4. Step 4: Simplify right side
    661,664.60x = 583,768,216,137.66
  5. Step 5: Solve for x
    x = 583,768,216,137.66/661,664.60
  6. Step 6: Final answer
    x = 882,272.10

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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.