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Finding the Fourth Proportional to 346,901.94, 478,748.88 and 193,969.89

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Solution

The fourth proportional to 346,901.94, 478,748.88 and 193,969.89 is: 267,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,901.94 : 478,748.88 = 193,969.89 : x
  2. Step 2: Convert to fraction form
    346,901.94/478,748.88 = 193,969.89/x
  3. Step 3: Cross multiply
    346,901.94x = 478,748.88 × 193,969.89
  4. Step 4: Simplify right side
    346,901.94x = 92,862,867,591.22
  5. Step 5: Solve for x
    x = 92,862,867,591.22/346,901.94
  6. Step 6: Final answer
    x = 267,691.98

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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.