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Finding the Fourth Proportional to 623,480.86, 860,403.07 and 337,000.94

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Solution

The fourth proportional to 623,480.86, 860,403.07 and 337,000.94 is: 465,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,480.86 : 860,403.07 = 337,000.94 : x
  2. Step 2: Convert to fraction form
    623,480.86/860,403.07 = 337,000.94/x
  3. Step 3: Cross multiply
    623,480.86x = 860,403.07 × 337,000.94
  4. Step 4: Simplify right side
    623,480.86x = 289,956,644,677.39
  5. Step 5: Solve for x
    x = 289,956,644,677.39/623,480.86
  6. Step 6: Final answer
    x = 465,061.02

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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.