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Finding the Fourth Proportional to 610,490.15, 841,505.46 and 481,219.01

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Solution

The fourth proportional to 610,490.15, 841,505.46 and 481,219.01 is: 663,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,490.15 : 841,505.46 = 481,219.01 : x
  2. Step 2: Convert to fraction form
    610,490.15/841,505.46 = 481,219.01/x
  3. Step 3: Cross multiply
    610,490.15x = 841,505.46 × 481,219.01
  4. Step 4: Simplify right side
    610,490.15x = 404,948,424,370.80
  5. Step 5: Solve for x
    x = 404,948,424,370.80/610,490.15
  6. Step 6: Final answer
    x = 663,316.88

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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.