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Finding the Fourth Proportional to 624,670.40, 937,008.48 and 151,355.36

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Solution

The fourth proportional to 624,670.40, 937,008.48 and 151,355.36 is: 227,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,670.40 : 937,008.48 = 151,355.36 : x
  2. Step 2: Convert to fraction form
    624,670.40/937,008.48 = 151,355.36/x
  3. Step 3: Cross multiply
    624,670.40x = 937,008.48 × 151,355.36
  4. Step 4: Simplify right side
    624,670.40x = 141,821,255,813.45
  5. Step 5: Solve for x
    x = 141,821,255,813.45/624,670.40
  6. Step 6: Final answer
    x = 227,033.74

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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.