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Finding the Fourth Proportional to 348,095.53, 479,858.54 and 271,528.66

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Solution

The fourth proportional to 348,095.53, 479,858.54 and 271,528.66 is: 374,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,095.53 : 479,858.54 = 271,528.66 : x
  2. Step 2: Convert to fraction form
    348,095.53/479,858.54 = 271,528.66/x
  3. Step 3: Cross multiply
    348,095.53x = 479,858.54 × 271,528.66
  4. Step 4: Simplify right side
    348,095.53x = 130,295,346,355.76
  5. Step 5: Solve for x
    x = 130,295,346,355.76/348,095.53
  6. Step 6: Final answer
    x = 374,309.16

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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.