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Finding the Fourth Proportional to 504,095.40, 756,143.10 and 149,081.79

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Solution

The fourth proportional to 504,095.40, 756,143.10 and 149,081.79 is: 223,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,095.40 : 756,143.10 = 149,081.79 : x
  2. Step 2: Convert to fraction form
    504,095.40/756,143.10 = 149,081.79/x
  3. Step 3: Cross multiply
    504,095.40x = 756,143.10 × 149,081.79
  4. Step 4: Simplify right side
    504,095.40x = 112,727,166,844.15
  5. Step 5: Solve for x
    x = 112,727,166,844.15/504,095.40
  6. Step 6: Final answer
    x = 223,622.69

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Double scale
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Similar ratio
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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.