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Finding the Fourth Proportional to 344,495.76, 475,443.52 and 191,549.20

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Solution

The fourth proportional to 344,495.76, 475,443.52 and 191,549.20 is: 264,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,495.76 : 475,443.52 = 191,549.20 : x
  2. Step 2: Convert to fraction form
    344,495.76/475,443.52 = 191,549.20/x
  3. Step 3: Cross multiply
    344,495.76x = 475,443.52 × 191,549.20
  4. Step 4: Simplify right side
    344,495.76x = 91,070,825,901.18
  5. Step 5: Solve for x
    x = 91,070,825,901.18/344,495.76
  6. Step 6: Final answer
    x = 264,359.79

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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.