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Finding the Fourth Proportional to 519,771, 779,967.54 and 224,283

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Solution

The fourth proportional to 519,771, 779,967.54 and 224,283 is: 336,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,771 : 779,967.54 = 224,283 : x
  2. Step 2: Convert to fraction form
    519,771/779,967.54 = 224,283/x
  3. Step 3: Cross multiply
    519,771x = 779,967.54 × 224,283
  4. Step 4: Simplify right side
    519,771x = 174,933,459,773.82
  5. Step 5: Solve for x
    x = 174,933,459,773.82/519,771
  6. Step 6: Final answer
    x = 336,558.71

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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.