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Finding the Fourth Proportional to 624,403.50, 861,676.83 and 337,925.67

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Solution

The fourth proportional to 624,403.50, 861,676.83 and 337,925.67 is: 466,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,403.50 : 861,676.83 = 337,925.67 : x
  2. Step 2: Convert to fraction form
    624,403.50/861,676.83 = 337,925.67/x
  3. Step 3: Cross multiply
    624,403.50x = 861,676.83 × 337,925.67
  4. Step 4: Simplify right side
    624,403.50x = 291,182,720,101.23
  5. Step 5: Solve for x
    x = 291,182,720,101.23/624,403.50
  6. Step 6: Final answer
    x = 466,337.42

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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.