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Finding the Fourth Proportional to 336,188.80, 503,764.80 and 291,606.40

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Solution

The fourth proportional to 336,188.80, 503,764.80 and 291,606.40 is: 436,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,188.80 : 503,764.80 = 291,606.40 : x
  2. Step 2: Convert to fraction form
    336,188.80/503,764.80 = 291,606.40/x
  3. Step 3: Cross multiply
    336,188.80x = 503,764.80 × 291,606.40
  4. Step 4: Simplify right side
    336,188.80x = 146,901,039,774.72
  5. Step 5: Solve for x
    x = 146,901,039,774.72/336,188.80
  6. Step 6: Final answer
    x = 436,959.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.