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Finding the Fourth Proportional to 865,690.52, 1,194,630 and 483,720.44

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Solution

The fourth proportional to 865,690.52, 1,194,630 and 483,720.44 is: 667,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,690.52 : 1,194,630 = 483,720.44 : x
  2. Step 2: Convert to fraction form
    865,690.52/1,194,630 = 483,720.44/x
  3. Step 3: Cross multiply
    865,690.52x = 1,194,630 × 483,720.44
  4. Step 4: Simplify right side
    865,690.52x = 577,866,949,237.20
  5. Step 5: Solve for x
    x = 577,866,949,237.20/865,690.52
  6. Step 6: Final answer
    x = 667,521.40

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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.