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Finding the Fourth Proportional to 590,800.34, 885,889.46 and 403,865.30

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Solution

The fourth proportional to 590,800.34, 885,889.46 and 403,865.30 is: 605,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,800.34 : 885,889.46 = 403,865.30 : x
  2. Step 2: Convert to fraction form
    590,800.34/885,889.46 = 403,865.30/x
  3. Step 3: Cross multiply
    590,800.34x = 885,889.46 × 403,865.30
  4. Step 4: Simplify right side
    590,800.34x = 357,780,009,109.95
  5. Step 5: Solve for x
    x = 357,780,009,109.95/590,800.34
  6. Step 6: Final answer
    x = 605,585.32

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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.