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Finding the Fourth Proportional to 454,415.04, 681,413.88 and 154,773.72

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Solution

The fourth proportional to 454,415.04, 681,413.88 and 154,773.72 is: 232,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,415.04 : 681,413.88 = 154,773.72 : x
  2. Step 2: Convert to fraction form
    454,415.04/681,413.88 = 154,773.72/x
  3. Step 3: Cross multiply
    454,415.04x = 681,413.88 × 154,773.72
  4. Step 4: Simplify right side
    454,415.04x = 105,464,961,067.23
  5. Step 5: Solve for x
    x = 105,464,961,067.23/454,415.04
  6. Step 6: Final answer
    x = 232,089.50

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1.5x scale

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.