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Finding the Fourth Proportional to 623,855.56, 860,922.66 and 337,377.64

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Solution

The fourth proportional to 623,855.56, 860,922.66 and 337,377.64 is: 465,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,855.56 : 860,922.66 = 337,377.64 : x
  2. Step 2: Convert to fraction form
    623,855.56/860,922.66 = 337,377.64/x
  3. Step 3: Cross multiply
    623,855.56x = 860,922.66 × 337,377.64
  4. Step 4: Simplify right side
    623,855.56x = 290,456,055,253.32
  5. Step 5: Solve for x
    x = 290,456,055,253.32/623,855.56
  6. Step 6: Final answer
    x = 465,582.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.