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Finding the Fourth Proportional to 602,558.22, 831,560.40 and 344,448.48

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Solution

The fourth proportional to 602,558.22, 831,560.40 and 344,448.48 is: 475,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,558.22 : 831,560.40 = 344,448.48 : x
  2. Step 2: Convert to fraction form
    602,558.22/831,560.40 = 344,448.48/x
  3. Step 3: Cross multiply
    602,558.22x = 831,560.40 × 344,448.48
  4. Step 4: Simplify right side
    602,558.22x = 286,429,715,808.19
  5. Step 5: Solve for x
    x = 286,429,715,808.19/602,558.22
  6. Step 6: Final answer
    x = 475,356.08

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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.