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Finding the Fourth Proportional to 610,428.30, 915,628.05 and 167,196.30

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Solution

The fourth proportional to 610,428.30, 915,628.05 and 167,196.30 is: 250,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,428.30 : 915,628.05 = 167,196.30 : x
  2. Step 2: Convert to fraction form
    610,428.30/915,628.05 = 167,196.30/x
  3. Step 3: Cross multiply
    610,428.30x = 915,628.05 × 167,196.30
  4. Step 4: Simplify right side
    610,428.30x = 153,089,622,136.22
  5. Step 5: Solve for x
    x = 153,089,622,136.22/610,428.30
  6. Step 6: Final answer
    x = 250,790.51

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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.