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Finding the Fourth Proportional to 993,350, 1,490,247.12 and 362,263.81

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Solution

The fourth proportional to 993,350, 1,490,247.12 and 362,263.81 is: 543,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,350 : 1,490,247.12 = 362,263.81 : x
  2. Step 2: Convert to fraction form
    993,350/1,490,247.12 = 362,263.81/x
  3. Step 3: Cross multiply
    993,350x = 1,490,247.12 × 362,263.81
  4. Step 4: Simplify right side
    993,350x = 539,862,597,721.41
  5. Step 5: Solve for x
    x = 539,862,597,721.41/993,350
  6. Step 6: Final answer
    x = 543,476.72

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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.