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Finding the Fourth Proportional to 590,837.05, 815,309.09 and 349,073.77

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Solution

The fourth proportional to 590,837.05, 815,309.09 and 349,073.77 is: 481,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,837.05 : 815,309.09 = 349,073.77 : x
  2. Step 2: Convert to fraction form
    590,837.05/815,309.09 = 349,073.77/x
  3. Step 3: Cross multiply
    590,837.05x = 815,309.09 × 349,073.77
  4. Step 4: Simplify right side
    590,837.05x = 284,603,018,779.20
  5. Step 5: Solve for x
    x = 284,603,018,779.20/590,837.05
  6. Step 6: Final answer
    x = 481,694.60

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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.