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Finding the Fourth Proportional to 610,105.88, 841,661.34 and 383,876.12

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Solution

The fourth proportional to 610,105.88, 841,661.34 and 383,876.12 is: 529,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,105.88 : 841,661.34 = 383,876.12 : x
  2. Step 2: Convert to fraction form
    610,105.88/841,661.34 = 383,876.12/x
  3. Step 3: Cross multiply
    610,105.88x = 841,661.34 × 383,876.12
  4. Step 4: Simplify right side
    610,105.88x = 323,093,689,553.20
  5. Step 5: Solve for x
    x = 323,093,689,553.20/610,105.88
  6. Step 6: Final answer
    x = 529,569.87

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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.