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Finding the Fourth Proportional to 649,155.44, 895,818 and 362,677.68

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Solution

The fourth proportional to 649,155.44, 895,818 and 362,677.68 is: 500,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,155.44 : 895,818 = 362,677.68 : x
  2. Step 2: Convert to fraction form
    649,155.44/895,818 = 362,677.68/x
  3. Step 3: Cross multiply
    649,155.44x = 895,818 × 362,677.68
  4. Step 4: Simplify right side
    649,155.44x = 324,893,193,942.24
  5. Step 5: Solve for x
    x = 324,893,193,942.24/649,155.44
  6. Step 6: Final answer
    x = 500,485.98

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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.