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Finding the Fourth Proportional to 354,533.39, 531,356.61 and 177,089.93

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Solution

The fourth proportional to 354,533.39, 531,356.61 and 177,089.93 is: 265,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,533.39 : 531,356.61 = 177,089.93 : x
  2. Step 2: Convert to fraction form
    354,533.39/531,356.61 = 177,089.93/x
  3. Step 3: Cross multiply
    354,533.39x = 531,356.61 × 177,089.93
  4. Step 4: Simplify right side
    354,533.39x = 94,097,904,869.94
  5. Step 5: Solve for x
    x = 94,097,904,869.94/354,533.39
  6. Step 6: Final answer
    x = 265,413.38

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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.