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Finding the Fourth Proportional to 482,437, 665,327.40 and 301,165.70

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Solution

The fourth proportional to 482,437, 665,327.40 and 301,165.70 is: 415,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,437 : 665,327.40 = 301,165.70 : x
  2. Step 2: Convert to fraction form
    482,437/665,327.40 = 301,165.70/x
  3. Step 3: Cross multiply
    482,437x = 665,327.40 × 301,165.70
  4. Step 4: Simplify right side
    482,437x = 200,373,792,150.18
  5. Step 5: Solve for x
    x = 200,373,792,150.18/482,437
  6. Step 6: Final answer
    x = 415,336.70

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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.