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Finding the Fourth Proportional to 609,928.50, 841,703.30 and 338,000.87

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Solution

The fourth proportional to 609,928.50, 841,703.30 and 338,000.87 is: 466,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,928.50 : 841,703.30 = 338,000.87 : x
  2. Step 2: Convert to fraction form
    609,928.50/841,703.30 = 338,000.87/x
  3. Step 3: Cross multiply
    609,928.50x = 841,703.30 × 338,000.87
  4. Step 4: Simplify right side
    609,928.50x = 284,496,444,629.05
  5. Step 5: Solve for x
    x = 284,496,444,629.05/609,928.50
  6. Step 6: Final answer
    x = 466,442.29

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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.