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Finding the Fourth Proportional to 404,683.80, 607,025.70 and 254,436.90

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Solution

The fourth proportional to 404,683.80, 607,025.70 and 254,436.90 is: 381,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,683.80 : 607,025.70 = 254,436.90 : x
  2. Step 2: Convert to fraction form
    404,683.80/607,025.70 = 254,436.90/x
  3. Step 3: Cross multiply
    404,683.80x = 607,025.70 × 254,436.90
  4. Step 4: Simplify right side
    404,683.80x = 154,449,737,328.33
  5. Step 5: Solve for x
    x = 154,449,737,328.33/404,683.80
  6. Step 6: Final answer
    x = 381,655.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.