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Finding the Fourth Proportional to 507,328.73, 699,776.46 and 326,269.70

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Solution

The fourth proportional to 507,328.73, 699,776.46 and 326,269.70 is: 450,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,328.73 : 699,776.46 = 326,269.70 : x
  2. Step 2: Convert to fraction form
    507,328.73/699,776.46 = 326,269.70/x
  3. Step 3: Cross multiply
    507,328.73x = 699,776.46 × 326,269.70
  4. Step 4: Simplify right side
    507,328.73x = 228,315,855,671.26
  5. Step 5: Solve for x
    x = 228,315,855,671.26/507,328.73
  6. Step 6: Final answer
    x = 450,035.34

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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.