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Finding the Fourth Proportional to 590,802.44, 815,303.22 and 322,530.44

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Solution

The fourth proportional to 590,802.44, 815,303.22 and 322,530.44 is: 445,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,802.44 : 815,303.22 = 322,530.44 : x
  2. Step 2: Convert to fraction form
    590,802.44/815,303.22 = 322,530.44/x
  3. Step 3: Cross multiply
    590,802.44x = 815,303.22 × 322,530.44
  4. Step 4: Simplify right side
    590,802.44x = 262,960,106,280.02
  5. Step 5: Solve for x
    x = 262,960,106,280.02/590,802.44
  6. Step 6: Final answer
    x = 445,089.74

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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.