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Finding the Fourth Proportional to 604,478.48, 834,128.88 and 349,845.44

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Solution

The fourth proportional to 604,478.48, 834,128.88 and 349,845.44 is: 482,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,478.48 : 834,128.88 = 349,845.44 : x
  2. Step 2: Convert to fraction form
    604,478.48/834,128.88 = 349,845.44/x
  3. Step 3: Cross multiply
    604,478.48x = 834,128.88 × 349,845.44
  4. Step 4: Simplify right side
    604,478.48x = 291,816,185,040.31
  5. Step 5: Solve for x
    x = 291,816,185,040.31/604,478.48
  6. Step 6: Final answer
    x = 482,756.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.