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Finding the Fourth Proportional to 348,459.38, 480,696.71 and 227,671.37

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Solution

The fourth proportional to 348,459.38, 480,696.71 and 227,671.37 is: 314,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,459.38 : 480,696.71 = 227,671.37 : x
  2. Step 2: Convert to fraction form
    348,459.38/480,696.71 = 227,671.37/x
  3. Step 3: Cross multiply
    348,459.38x = 480,696.71 × 227,671.37
  4. Step 4: Simplify right side
    348,459.38x = 109,440,878,583.58
  5. Step 5: Solve for x
    x = 109,440,878,583.58/348,459.38
  6. Step 6: Final answer
    x = 314,070.69

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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.