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Finding the Fourth Proportional to 549,068.80, 823,603.20 and 283,348.30

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Solution

The fourth proportional to 549,068.80, 823,603.20 and 283,348.30 is: 425,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,068.80 : 823,603.20 = 283,348.30 : x
  2. Step 2: Convert to fraction form
    549,068.80/823,603.20 = 283,348.30/x
  3. Step 3: Cross multiply
    549,068.80x = 823,603.20 × 283,348.30
  4. Step 4: Simplify right side
    549,068.80x = 233,366,566,594.56
  5. Step 5: Solve for x
    x = 233,366,566,594.56/549,068.80
  6. Step 6: Final answer
    x = 425,022.45

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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.