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Finding the Fourth Proportional to 329,316.93, 454,459.55 and 178,413.93

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Solution

The fourth proportional to 329,316.93, 454,459.55 and 178,413.93 is: 246,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,316.93 : 454,459.55 = 178,413.93 : x
  2. Step 2: Convert to fraction form
    329,316.93/454,459.55 = 178,413.93/x
  3. Step 3: Cross multiply
    329,316.93x = 454,459.55 × 178,413.93
  4. Step 4: Simplify right side
    329,316.93x = 81,081,913,449.46
  5. Step 5: Solve for x
    x = 81,081,913,449.46/329,316.93
  6. Step 6: Final answer
    x = 246,212.41

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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.