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Finding the Fourth Proportional to 499,490.52, 749,424.54 and 299,950.02

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Solution

The fourth proportional to 499,490.52, 749,424.54 and 299,950.02 is: 450,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,490.52 : 749,424.54 = 299,950.02 : x
  2. Step 2: Convert to fraction form
    499,490.52/749,424.54 = 299,950.02/x
  3. Step 3: Cross multiply
    499,490.52x = 749,424.54 × 299,950.02
  4. Step 4: Simplify right side
    499,490.52x = 224,789,905,761.49
  5. Step 5: Solve for x
    x = 224,789,905,761.49/499,490.52
  6. Step 6: Final answer
    x = 450,038.38

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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.