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Finding the Fourth Proportional to 602,616.92, 831,405.36 and 344,308.52

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Solution

The fourth proportional to 602,616.92, 831,405.36 and 344,308.52 is: 475,028.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,616.92 : 831,405.36 = 344,308.52 : x
  2. Step 2: Convert to fraction form
    602,616.92/831,405.36 = 344,308.52/x
  3. Step 3: Cross multiply
    602,616.92x = 831,405.36 × 344,308.52
  4. Step 4: Simplify right side
    602,616.92x = 286,259,952,391.34
  5. Step 5: Solve for x
    x = 286,259,952,391.34/602,616.92
  6. Step 6: Final answer
    x = 475,028.07

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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.