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Finding the Fourth Proportional to 346,965.83, 478,790.68 and 194,016.63

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Solution

The fourth proportional to 346,965.83, 478,790.68 and 194,016.63 is: 267,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,965.83 : 478,790.68 = 194,016.63 : x
  2. Step 2: Convert to fraction form
    346,965.83/478,790.68 = 194,016.63/x
  3. Step 3: Cross multiply
    346,965.83x = 478,790.68 × 194,016.63
  4. Step 4: Simplify right side
    346,965.83x = 92,893,354,209.01
  5. Step 5: Solve for x
    x = 92,893,354,209.01/346,965.83
  6. Step 6: Final answer
    x = 267,730.55

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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.