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Finding the Fourth Proportional to 664,460.20, 996,690.30 and 546,362.20

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Solution

The fourth proportional to 664,460.20, 996,690.30 and 546,362.20 is: 819,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,460.20 : 996,690.30 = 546,362.20 : x
  2. Step 2: Convert to fraction form
    664,460.20/996,690.30 = 546,362.20/x
  3. Step 3: Cross multiply
    664,460.20x = 996,690.30 × 546,362.20
  4. Step 4: Simplify right side
    664,460.20x = 544,553,905,026.66
  5. Step 5: Solve for x
    x = 544,553,905,026.66/664,460.20
  6. Step 6: Final answer
    x = 819,543.30

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Half scale
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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.