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Finding the Fourth Proportional to 602,508, 831,469.22 and 330,570.95

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Solution

The fourth proportional to 602,508, 831,469.22 and 330,570.95 is: 456,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,508 : 831,469.22 = 330,570.95 : x
  2. Step 2: Convert to fraction form
    602,508/831,469.22 = 330,570.95/x
  3. Step 3: Cross multiply
    602,508x = 831,469.22 × 330,570.95
  4. Step 4: Simplify right side
    602,508x = 274,859,564,140.96
  5. Step 5: Solve for x
    x = 274,859,564,140.96/602,508
  6. Step 6: Final answer
    x = 456,192.39

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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.