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Finding the Fourth Proportional to 346,260.48, 477,863.52 and 193,328.76

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Solution

The fourth proportional to 346,260.48, 477,863.52 and 193,328.76 is: 266,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,260.48 : 477,863.52 = 193,328.76 : x
  2. Step 2: Convert to fraction form
    346,260.48/477,863.52 = 193,328.76/x
  3. Step 3: Cross multiply
    346,260.48x = 477,863.52 × 193,328.76
  4. Step 4: Simplify right side
    346,260.48x = 92,384,761,770.84
  5. Step 5: Solve for x
    x = 92,384,761,770.84/346,260.48
  6. Step 6: Final answer
    x = 266,807.12

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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.