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Finding the Fourth Proportional to 328,560.03, 453,413.50 and 177,657.03

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Solution

The fourth proportional to 328,560.03, 453,413.50 and 177,657.03 is: 245,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,560.03 : 453,413.50 = 177,657.03 : x
  2. Step 2: Convert to fraction form
    328,560.03/453,413.50 = 177,657.03/x
  3. Step 3: Cross multiply
    328,560.03x = 453,413.50 × 177,657.03
  4. Step 4: Simplify right side
    328,560.03x = 80,552,095,327.76
  5. Step 5: Solve for x
    x = 80,552,095,327.76/328,560.03
  6. Step 6: Final answer
    x = 245,167.06

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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.