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Finding the Fourth Proportional to 462,702.24, 689,838.39 and 451,067.40

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Solution

The fourth proportional to 462,702.24, 689,838.39 and 451,067.40 is: 672,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,702.24 : 689,838.39 = 451,067.40 : x
  2. Step 2: Convert to fraction form
    462,702.24/689,838.39 = 451,067.40/x
  3. Step 3: Cross multiply
    462,702.24x = 689,838.39 × 451,067.40
  4. Step 4: Simplify right side
    462,702.24x = 311,163,608,997.49
  5. Step 5: Solve for x
    x = 311,163,608,997.49/462,702.24
  6. Step 6: Final answer
    x = 672,492.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.