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Finding the Fourth Proportional to 624,734.72, 937,102.09 and 151,420.07

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Solution

The fourth proportional to 624,734.72, 937,102.09 and 151,420.07 is: 227,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,734.72 : 937,102.09 = 151,420.07 : x
  2. Step 2: Convert to fraction form
    624,734.72/937,102.09 = 151,420.07/x
  3. Step 3: Cross multiply
    624,734.72x = 937,102.09 × 151,420.07
  4. Step 4: Simplify right side
    624,734.72x = 141,896,066,029.15
  5. Step 5: Solve for x
    x = 141,896,066,029.15/624,734.72
  6. Step 6: Final answer
    x = 227,130.11

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Similar ratio
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1.5x scale

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.