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Finding the Fourth Proportional to 346,602.24, 478,305 and 193,630.50

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Solution

The fourth proportional to 346,602.24, 478,305 and 193,630.50 is: 267,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,602.24 : 478,305 = 193,630.50 : x
  2. Step 2: Convert to fraction form
    346,602.24/478,305 = 193,630.50/x
  3. Step 3: Cross multiply
    346,602.24x = 478,305 × 193,630.50
  4. Step 4: Simplify right side
    346,602.24x = 92,614,436,302.50
  5. Step 5: Solve for x
    x = 92,614,436,302.50/346,602.24
  6. Step 6: Final answer
    x = 267,206.69

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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.