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Finding the Fourth Proportional to 590,029.56, 885,700.80 and 305,644.20

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Solution

The fourth proportional to 590,029.56, 885,700.80 and 305,644.20 is: 458,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,029.56 : 885,700.80 = 305,644.20 : x
  2. Step 2: Convert to fraction form
    590,029.56/885,700.80 = 305,644.20/x
  3. Step 3: Cross multiply
    590,029.56x = 885,700.80 × 305,644.20
  4. Step 4: Simplify right side
    590,029.56x = 270,709,312,455.36
  5. Step 5: Solve for x
    x = 270,709,312,455.36/590,029.56
  6. Step 6: Final answer
    x = 458,806.36

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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.