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Finding the Fourth Proportional to 246,655.66, 340,384.80 and 133,478.41

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Solution

The fourth proportional to 246,655.66, 340,384.80 and 133,478.41 is: 184,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,655.66 : 340,384.80 = 133,478.41 : x
  2. Step 2: Convert to fraction form
    246,655.66/340,384.80 = 133,478.41/x
  3. Step 3: Cross multiply
    246,655.66x = 340,384.80 × 133,478.41
  4. Step 4: Simplify right side
    246,655.66x = 45,434,021,892.17
  5. Step 5: Solve for x
    x = 45,434,021,892.17/246,655.66
  6. Step 6: Final answer
    x = 184,200.20

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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.