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Finding the Fourth Proportional to 623,480.36, 860,402.38 and 337,000.44

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Solution

The fourth proportional to 623,480.36, 860,402.38 and 337,000.44 is: 465,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,480.36 : 860,402.38 = 337,000.44 : x
  2. Step 2: Convert to fraction form
    623,480.36/860,402.38 = 337,000.44/x
  3. Step 3: Cross multiply
    623,480.36x = 860,402.38 × 337,000.44
  4. Step 4: Simplify right side
    623,480.36x = 289,955,980,637.05
  5. Step 5: Solve for x
    x = 289,955,980,637.05/623,480.36
  6. Step 6: Final answer
    x = 465,060.33

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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.