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Finding the Fourth Proportional to 437,868.10, 656,802.15 and 157,413.70

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Solution

The fourth proportional to 437,868.10, 656,802.15 and 157,413.70 is: 236,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,868.10 : 656,802.15 = 157,413.70 : x
  2. Step 2: Convert to fraction form
    437,868.10/656,802.15 = 157,413.70/x
  3. Step 3: Cross multiply
    437,868.10x = 656,802.15 × 157,413.70
  4. Step 4: Simplify right side
    437,868.10x = 103,389,656,599.46
  5. Step 5: Solve for x
    x = 103,389,656,599.46/437,868.10
  6. Step 6: Final answer
    x = 236,120.55

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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.