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Finding the Fourth Proportional to 240,319.40, 360,090.30 and 151,413.80

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Solution

The fourth proportional to 240,319.40, 360,090.30 and 151,413.80 is: 226,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,319.40 : 360,090.30 = 151,413.80 : x
  2. Step 2: Convert to fraction form
    240,319.40/360,090.30 = 151,413.80/x
  3. Step 3: Cross multiply
    240,319.40x = 360,090.30 × 151,413.80
  4. Step 4: Simplify right side
    240,319.40x = 54,522,640,666.14
  5. Step 5: Solve for x
    x = 54,522,640,666.14/240,319.40
  6. Step 6: Final answer
    x = 226,875.74

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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.