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Finding the Fourth Proportional to 329,316.94, 454,459.56 and 178,413.94

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Solution

The fourth proportional to 329,316.94, 454,459.56 and 178,413.94 is: 246,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,316.94 : 454,459.56 = 178,413.94 : x
  2. Step 2: Convert to fraction form
    329,316.94/454,459.56 = 178,413.94/x
  3. Step 3: Cross multiply
    329,316.94x = 454,459.56 × 178,413.94
  4. Step 4: Simplify right side
    329,316.94x = 81,081,920,670.27
  5. Step 5: Solve for x
    x = 81,081,920,670.27/329,316.94
  6. Step 6: Final answer
    x = 246,212.42

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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.