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Finding the Fourth Proportional to 623,481.51, 860,403.97 and 337,001.60

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Solution

The fourth proportional to 623,481.51, 860,403.97 and 337,001.60 is: 465,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,481.51 : 860,403.97 = 337,001.60 : x
  2. Step 2: Convert to fraction form
    623,481.51/860,403.97 = 337,001.60/x
  3. Step 3: Cross multiply
    623,481.51x = 860,403.97 × 337,001.60
  4. Step 4: Simplify right side
    623,481.51x = 289,957,514,513.98
  5. Step 5: Solve for x
    x = 289,957,514,513.98/623,481.51
  6. Step 6: Final answer
    x = 465,061.93

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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.