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Finding the Fourth Proportional to 1,935,413.62, 2,904,001.71 and 988,296.82

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Solution

The fourth proportional to 1,935,413.62, 2,904,001.71 and 988,296.82 is: 1,482,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,413.62 : 2,904,001.71 = 988,296.82 : x
  2. Step 2: Convert to fraction form
    1,935,413.62/2,904,001.71 = 988,296.82/x
  3. Step 3: Cross multiply
    1,935,413.62x = 2,904,001.71 × 988,296.82
  4. Step 4: Simplify right side
    1,935,413.62x = 2,870,015,655,267.56
  5. Step 5: Solve for x
    x = 2,870,015,655,267.56/1,935,413.62
  6. Step 6: Final answer
    x = 1,482,895.25

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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.