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Finding the Fourth Proportional to 673,413.17, 1,008,510.79 and 373,149.01

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Solution

The fourth proportional to 673,413.17, 1,008,510.79 and 373,149.01 is: 558,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,413.17 : 1,008,510.79 = 373,149.01 : x
  2. Step 2: Convert to fraction form
    673,413.17/1,008,510.79 = 373,149.01/x
  3. Step 3: Cross multiply
    673,413.17x = 1,008,510.79 × 373,149.01
  4. Step 4: Simplify right side
    673,413.17x = 376,324,802,862.82
  5. Step 5: Solve for x
    x = 376,324,802,862.82/673,413.17
  6. Step 6: Final answer
    x = 558,831.96

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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.