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Finding the Fourth Proportional to 282,528.02, 423,745.46 and 92,990.86

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Solution

The fourth proportional to 282,528.02, 423,745.46 and 92,990.86 is: 139,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,528.02 : 423,745.46 = 92,990.86 : x
  2. Step 2: Convert to fraction form
    282,528.02/423,745.46 = 92,990.86/x
  3. Step 3: Cross multiply
    282,528.02x = 423,745.46 × 92,990.86
  4. Step 4: Simplify right side
    282,528.02x = 39,404,454,746.50
  5. Step 5: Solve for x
    x = 39,404,454,746.50/282,528.02
  6. Step 6: Final answer
    x = 139,470.96

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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.