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Finding the Fourth Proportional to 528,067.30, 792,100.95 and 496,963.30

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Solution

The fourth proportional to 528,067.30, 792,100.95 and 496,963.30 is: 745,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,067.30 : 792,100.95 = 496,963.30 : x
  2. Step 2: Convert to fraction form
    528,067.30/792,100.95 = 496,963.30/x
  3. Step 3: Cross multiply
    528,067.30x = 792,100.95 × 496,963.30
  4. Step 4: Simplify right side
    528,067.30x = 393,645,102,045.14
  5. Step 5: Solve for x
    x = 393,645,102,045.14/528,067.30
  6. Step 6: Final answer
    x = 745,444.95

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Double scale
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Similar ratio
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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.