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Finding the Fourth Proportional to 705,413.43, 972,807.44 and 544,012.83

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Solution

The fourth proportional to 705,413.43, 972,807.44 and 544,012.83 is: 750,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,413.43 : 972,807.44 = 544,012.83 : x
  2. Step 2: Convert to fraction form
    705,413.43/972,807.44 = 544,012.83/x
  3. Step 3: Cross multiply
    705,413.43x = 972,807.44 × 544,012.83
  4. Step 4: Simplify right side
    705,413.43x = 529,219,725,759.39
  5. Step 5: Solve for x
    x = 529,219,725,759.39/705,413.43
  6. Step 6: Final answer
    x = 750,226.33

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Double scale
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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.