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Finding the Fourth Proportional to 616,081.70, 924,122.55 and 336,145.70

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Solution

The fourth proportional to 616,081.70, 924,122.55 and 336,145.70 is: 504,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,081.70 : 924,122.55 = 336,145.70 : x
  2. Step 2: Convert to fraction form
    616,081.70/924,122.55 = 336,145.70/x
  3. Step 3: Cross multiply
    616,081.70x = 924,122.55 × 336,145.70
  4. Step 4: Simplify right side
    616,081.70x = 310,639,821,455.54
  5. Step 5: Solve for x
    x = 310,639,821,455.54/616,081.70
  6. Step 6: Final answer
    x = 504,218.55

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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.