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Finding the Fourth Proportional to 822,671.60, 1,233,085.80 and 467,855.60

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Solution

The fourth proportional to 822,671.60, 1,233,085.80 and 467,855.60 is: 701,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,671.60 : 1,233,085.80 = 467,855.60 : x
  2. Step 2: Convert to fraction form
    822,671.60/1,233,085.80 = 467,855.60/x
  3. Step 3: Cross multiply
    822,671.60x = 1,233,085.80 × 467,855.60
  4. Step 4: Simplify right side
    822,671.60x = 576,906,096,810.48
  5. Step 5: Solve for x
    x = 576,906,096,810.48/822,671.60
  6. Step 6: Final answer
    x = 701,259.28

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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.