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Finding the Fourth Proportional to 549,066.80, 823,600.20 and 283,346.30

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Solution

The fourth proportional to 549,066.80, 823,600.20 and 283,346.30 is: 425,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,066.80 : 823,600.20 = 283,346.30 : x
  2. Step 2: Convert to fraction form
    549,066.80/823,600.20 = 283,346.30/x
  3. Step 3: Cross multiply
    549,066.80x = 823,600.20 × 283,346.30
  4. Step 4: Simplify right side
    549,066.80x = 233,364,069,349.26
  5. Step 5: Solve for x
    x = 233,364,069,349.26/549,066.80
  6. Step 6: Final answer
    x = 425,019.45

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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.