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Finding the Fourth Proportional to 423,371.19, 584,230.92 and 251,296.67

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Solution

The fourth proportional to 423,371.19, 584,230.92 and 251,296.67 is: 346,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,371.19 : 584,230.92 = 251,296.67 : x
  2. Step 2: Convert to fraction form
    423,371.19/584,230.92 = 251,296.67/x
  3. Step 3: Cross multiply
    423,371.19x = 584,230.92 × 251,296.67
  4. Step 4: Simplify right side
    423,371.19x = 146,815,281,785.88
  5. Step 5: Solve for x
    x = 146,815,281,785.88/423,371.19
  6. Step 6: Final answer
    x = 346,776.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.