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Finding the Fourth Proportional to 329,316.48, 454,457.25 and 178,413.48

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Solution

The fourth proportional to 329,316.48, 454,457.25 and 178,413.48 is: 246,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,316.48 : 454,457.25 = 178,413.48 : x
  2. Step 2: Convert to fraction form
    329,316.48/454,457.25 = 178,413.48/x
  3. Step 3: Cross multiply
    329,316.48x = 454,457.25 × 178,413.48
  4. Step 4: Simplify right side
    329,316.48x = 81,081,299,483.73
  5. Step 5: Solve for x
    x = 81,081,299,483.73/329,316.48
  6. Step 6: Final answer
    x = 246,210.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.