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Finding the Fourth Proportional to 504,016.45, 756,024.68 and 379,600.45

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Solution

The fourth proportional to 504,016.45, 756,024.68 and 379,600.45 is: 569,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,016.45 : 756,024.68 = 379,600.45 : x
  2. Step 2: Convert to fraction form
    504,016.45/756,024.68 = 379,600.45/x
  3. Step 3: Cross multiply
    504,016.45x = 756,024.68 × 379,600.45
  4. Step 4: Simplify right side
    504,016.45x = 286,987,306,841.10
  5. Step 5: Solve for x
    x = 286,987,306,841.10/504,016.45
  6. Step 6: Final answer
    x = 569,400.68

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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.