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Finding the Fourth Proportional to 353,533.25, 487,875.97 and 194,557.25

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Solution

The fourth proportional to 353,533.25, 487,875.97 and 194,557.25 is: 268,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,533.25 : 487,875.97 = 194,557.25 : x
  2. Step 2: Convert to fraction form
    353,533.25/487,875.97 = 194,557.25/x
  3. Step 3: Cross multiply
    353,533.25x = 487,875.97 × 194,557.25
  4. Step 4: Simplify right side
    353,533.25x = 94,919,807,064.28
  5. Step 5: Solve for x
    x = 94,919,807,064.28/353,533.25
  6. Step 6: Final answer
    x = 268,489.05

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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.