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Finding the Fourth Proportional to 499,087.04, 749,018.78 and 348,348.07

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Solution

The fourth proportional to 499,087.04, 749,018.78 and 348,348.07 is: 522,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,087.04 : 749,018.78 = 348,348.07 : x
  2. Step 2: Convert to fraction form
    499,087.04/749,018.78 = 348,348.07/x
  3. Step 3: Cross multiply
    499,087.04x = 749,018.78 × 348,348.07
  4. Step 4: Simplify right side
    499,087.04x = 260,919,240,919.92
  5. Step 5: Solve for x
    x = 260,919,240,919.92/499,087.04
  6. Step 6: Final answer
    x = 522,793.06

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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.