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Finding the Fourth Proportional to 351,035.52, 484,232.16 and 215,135.32

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Solution

The fourth proportional to 351,035.52, 484,232.16 and 215,135.32 is: 296,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,035.52 : 484,232.16 = 215,135.32 : x
  2. Step 2: Convert to fraction form
    351,035.52/484,232.16 = 215,135.32/x
  3. Step 3: Cross multiply
    351,035.52x = 484,232.16 × 215,135.32
  4. Step 4: Simplify right side
    351,035.52x = 104,175,440,695.89
  5. Step 5: Solve for x
    x = 104,175,440,695.89/351,035.52
  6. Step 6: Final answer
    x = 296,766.10

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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.