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Finding the Fourth Proportional to 549,019.60, 823,529.40 and 462,414.40

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Solution

The fourth proportional to 549,019.60, 823,529.40 and 462,414.40 is: 693,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,019.60 : 823,529.40 = 462,414.40 : x
  2. Step 2: Convert to fraction form
    549,019.60/823,529.40 = 462,414.40/x
  3. Step 3: Cross multiply
    549,019.60x = 823,529.40 × 462,414.40
  4. Step 4: Simplify right side
    549,019.60x = 380,811,853,383.36
  5. Step 5: Solve for x
    x = 380,811,853,383.36/549,019.60
  6. Step 6: Final answer
    x = 693,621.60

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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.