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Finding the Fourth Proportional to 1,746,359.65, 2,409,972.78 and 982,413.82

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Solution

The fourth proportional to 1,746,359.65, 2,409,972.78 and 982,413.82 is: 1,355,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,359.65 : 2,409,972.78 = 982,413.82 : x
  2. Step 2: Convert to fraction form
    1,746,359.65/2,409,972.78 = 982,413.82/x
  3. Step 3: Cross multiply
    1,746,359.65x = 2,409,972.78 × 982,413.82
  4. Step 4: Simplify right side
    1,746,359.65x = 2,367,590,564,895.82
  5. Step 5: Solve for x
    x = 2,367,590,564,895.82/1,746,359.65
  6. Step 6: Final answer
    x = 1,355,729.08

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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.