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Finding the Fourth Proportional to 543,878.94, 750,311.46 and 362,413.83

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Solution

The fourth proportional to 543,878.94, 750,311.46 and 362,413.83 is: 499,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,878.94 : 750,311.46 = 362,413.83 : x
  2. Step 2: Convert to fraction form
    543,878.94/750,311.46 = 362,413.83/x
  3. Step 3: Cross multiply
    543,878.94x = 750,311.46 × 362,413.83
  4. Step 4: Simplify right side
    543,878.94x = 271,923,249,911.49
  5. Step 5: Solve for x
    x = 271,923,249,911.49/543,878.94
  6. Step 6: Final answer
    x = 499,970.18

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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.