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Finding the Fourth Proportional to 453,303.57, 679,721.33 and 133,413.87

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Solution

The fourth proportional to 453,303.57, 679,721.33 and 133,413.87 is: 200,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,303.57 : 679,721.33 = 133,413.87 : x
  2. Step 2: Convert to fraction form
    453,303.57/679,721.33 = 133,413.87/x
  3. Step 3: Cross multiply
    453,303.57x = 679,721.33 × 133,413.87
  4. Step 4: Simplify right side
    453,303.57x = 90,684,255,288.88
  5. Step 5: Solve for x
    x = 90,684,255,288.88/453,303.57
  6. Step 6: Final answer
    x = 200,051.93

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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.