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Finding the Fourth Proportional to 624,428.74, 936,643.15 and 151,114.14

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Solution

The fourth proportional to 624,428.74, 936,643.15 and 151,114.14 is: 226,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,428.74 : 936,643.15 = 151,114.14 : x
  2. Step 2: Convert to fraction form
    624,428.74/936,643.15 = 151,114.14/x
  3. Step 3: Cross multiply
    624,428.74x = 936,643.15 × 151,114.14
  4. Step 4: Simplify right side
    624,428.74x = 141,540,024,099.14
  5. Step 5: Solve for x
    x = 141,540,024,099.14/624,428.74
  6. Step 6: Final answer
    x = 226,671.22

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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.