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Finding the Fourth Proportional to 348,546.02, 522,818.94 and 99,228.02

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Solution

The fourth proportional to 348,546.02, 522,818.94 and 99,228.02 is: 148,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,546.02 : 522,818.94 = 99,228.02 : x
  2. Step 2: Convert to fraction form
    348,546.02/522,818.94 = 99,228.02/x
  3. Step 3: Cross multiply
    348,546.02x = 522,818.94 × 99,228.02
  4. Step 4: Simplify right side
    348,546.02x = 51,878,288,234.70
  5. Step 5: Solve for x
    x = 51,878,288,234.70/348,546.02
  6. Step 6: Final answer
    x = 148,842.00

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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.