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Finding the Fourth Proportional to 519,765.57, 779,959.40 and 224,277.57

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Solution

The fourth proportional to 519,765.57, 779,959.40 and 224,277.57 is: 336,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,765.57 : 779,959.40 = 224,277.57 : x
  2. Step 2: Convert to fraction form
    519,765.57/779,959.40 = 224,277.57/x
  3. Step 3: Cross multiply
    519,765.57x = 779,959.40 × 224,277.57
  4. Step 4: Simplify right side
    519,765.57x = 174,927,397,809.27
  5. Step 5: Solve for x
    x = 174,927,397,809.27/519,765.57
  6. Step 6: Final answer
    x = 336,550.57

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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.