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Finding the Fourth Proportional to 517,794.48, 776,685.24 and 282,635.28

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Solution

The fourth proportional to 517,794.48, 776,685.24 and 282,635.28 is: 423,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,794.48 : 776,685.24 = 282,635.28 : x
  2. Step 2: Convert to fraction form
    517,794.48/776,685.24 = 282,635.28/x
  3. Step 3: Cross multiply
    517,794.48x = 776,685.24 × 282,635.28
  4. Step 4: Simplify right side
    517,794.48x = 219,518,650,279.27
  5. Step 5: Solve for x
    x = 219,518,650,279.27/517,794.48
  6. Step 6: Final answer
    x = 423,949.38

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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.