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Finding the Fourth Proportional to 346,476.77, 478,106.83 and 193,493.73

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Solution

The fourth proportional to 346,476.77, 478,106.83 and 193,493.73 is: 267,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,476.77 : 478,106.83 = 193,493.73 : x
  2. Step 2: Convert to fraction form
    346,476.77/478,106.83 = 193,493.73/x
  3. Step 3: Cross multiply
    346,476.77x = 478,106.83 × 193,493.73
  4. Step 4: Simplify right side
    346,476.77x = 92,510,673,875.18
  5. Step 5: Solve for x
    x = 92,510,673,875.18/346,476.77
  6. Step 6: Final answer
    x = 267,003.97

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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.