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Finding the Fourth Proportional to 549,094.40, 823,641.60 and 424,524.80

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Solution

The fourth proportional to 549,094.40, 823,641.60 and 424,524.80 is: 636,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,094.40 : 823,641.60 = 424,524.80 : x
  2. Step 2: Convert to fraction form
    549,094.40/823,641.60 = 424,524.80/x
  3. Step 3: Cross multiply
    549,094.40x = 823,641.60 × 424,524.80
  4. Step 4: Simplify right side
    549,094.40x = 349,656,285,511.68
  5. Step 5: Solve for x
    x = 349,656,285,511.68/549,094.40
  6. Step 6: Final answer
    x = 636,787.20

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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.