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Finding the Fourth Proportional to 880,705.60, 1,321,058.40 and 548,468.80

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Solution

The fourth proportional to 880,705.60, 1,321,058.40 and 548,468.80 is: 822,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,705.60 : 1,321,058.40 = 548,468.80 : x
  2. Step 2: Convert to fraction form
    880,705.60/1,321,058.40 = 548,468.80/x
  3. Step 3: Cross multiply
    880,705.60x = 1,321,058.40 × 548,468.80
  4. Step 4: Simplify right side
    880,705.60x = 724,559,315,377.92
  5. Step 5: Solve for x
    x = 724,559,315,377.92/880,705.60
  6. Step 6: Final answer
    x = 822,703.20

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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.