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Finding the Fourth Proportional to 348,886.64, 523,332 and 124,255.82

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Solution

The fourth proportional to 348,886.64, 523,332 and 124,255.82 is: 186,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,886.64 : 523,332 = 124,255.82 : x
  2. Step 2: Convert to fraction form
    348,886.64/523,332 = 124,255.82/x
  3. Step 3: Cross multiply
    348,886.64x = 523,332 × 124,255.82
  4. Step 4: Simplify right side
    348,886.64x = 65,027,044,175.58
  5. Step 5: Solve for x
    x = 65,027,044,175.58/348,886.64
  6. Step 6: Final answer
    x = 186,384.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.