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Finding the Fourth Proportional to 623,842.82, 860,898.75 and 337,358.78

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Solution

The fourth proportional to 623,842.82, 860,898.75 and 337,358.78 is: 465,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,842.82 : 860,898.75 = 337,358.78 : x
  2. Step 2: Convert to fraction form
    623,842.82/860,898.75 = 337,358.78/x
  3. Step 3: Cross multiply
    623,842.82x = 860,898.75 × 337,358.78
  4. Step 4: Simplify right side
    623,842.82x = 290,431,752,003.53
  5. Step 5: Solve for x
    x = 290,431,752,003.53/623,842.82
  6. Step 6: Final answer
    x = 465,552.77

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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.