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Finding the Fourth Proportional to 576,981.51, 796,264.96 and 347,611.01

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Solution

The fourth proportional to 576,981.51, 796,264.96 and 347,611.01 is: 479,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,981.51 : 796,264.96 = 347,611.01 : x
  2. Step 2: Convert to fraction form
    576,981.51/796,264.96 = 347,611.01/x
  3. Step 3: Cross multiply
    576,981.51x = 796,264.96 × 347,611.01
  4. Step 4: Simplify right side
    576,981.51x = 276,790,465,851.58
  5. Step 5: Solve for x
    x = 276,790,465,851.58/576,981.51
  6. Step 6: Final answer
    x = 479,721.55

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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.