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Finding the Fourth Proportional to 499,491.16, 747,393.54 and 299,933.08

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Solution

The fourth proportional to 499,491.16, 747,393.54 and 299,933.08 is: 448,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,491.16 : 747,393.54 = 299,933.08 : x
  2. Step 2: Convert to fraction form
    499,491.16/747,393.54 = 299,933.08/x
  3. Step 3: Cross multiply
    499,491.16x = 747,393.54 × 299,933.08
  4. Step 4: Simplify right side
    499,491.16x = 224,168,046,424.30
  5. Step 5: Solve for x
    x = 224,168,046,424.30/499,491.16
  6. Step 6: Final answer
    x = 448,792.82

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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.