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Finding the Fourth Proportional to 325,700.58, 488,457.26 and 112,413.11

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Solution

The fourth proportional to 325,700.58, 488,457.26 and 112,413.11 is: 168,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,700.58 : 488,457.26 = 112,413.11 : x
  2. Step 2: Convert to fraction form
    325,700.58/488,457.26 = 112,413.11/x
  3. Step 3: Cross multiply
    325,700.58x = 488,457.26 × 112,413.11
  4. Step 4: Simplify right side
    325,700.58x = 54,908,996,694.33
  5. Step 5: Solve for x
    x = 54,908,996,694.33/325,700.58
  6. Step 6: Final answer
    x = 168,587.35

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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.