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Finding the Fourth Proportional to 349,391.36, 481,671.60 and 295,459.76

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Solution

The fourth proportional to 349,391.36, 481,671.60 and 295,459.76 is: 407,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,391.36 : 481,671.60 = 295,459.76 : x
  2. Step 2: Convert to fraction form
    349,391.36/481,671.60 = 295,459.76/x
  3. Step 3: Cross multiply
    349,391.36x = 481,671.60 × 295,459.76
  4. Step 4: Simplify right side
    349,391.36x = 142,314,575,334.82
  5. Step 5: Solve for x
    x = 142,314,575,334.82/349,391.36
  6. Step 6: Final answer
    x = 407,321.39

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1.5x scale

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.