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Finding the Fourth Proportional to 348,167, 480,489.90 and 197,312.60

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Solution

The fourth proportional to 348,167, 480,489.90 and 197,312.60 is: 272,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,167 : 480,489.90 = 197,312.60 : x
  2. Step 2: Convert to fraction form
    348,167/480,489.90 = 197,312.60/x
  3. Step 3: Cross multiply
    348,167x = 480,489.90 × 197,312.60
  4. Step 4: Simplify right side
    348,167x = 94,806,711,442.74
  5. Step 5: Solve for x
    x = 94,806,711,442.74/348,167
  6. Step 6: Final answer
    x = 272,302.41

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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.