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Finding the Fourth Proportional to 359,718.77, 496,413.12 and 198,573.46

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Solution

The fourth proportional to 359,718.77, 496,413.12 and 198,573.46 is: 274,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,718.77 : 496,413.12 = 198,573.46 : x
  2. Step 2: Convert to fraction form
    359,718.77/496,413.12 = 198,573.46/x
  3. Step 3: Cross multiply
    359,718.77x = 496,413.12 × 198,573.46
  4. Step 4: Simplify right side
    359,718.77x = 98,574,470,331.41
  5. Step 5: Solve for x
    x = 98,574,470,331.41/359,718.77
  6. Step 6: Final answer
    x = 274,032.04

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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.