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Finding the Fourth Proportional to 651,874.69, 977,812.82 and 178,564.13

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Solution

The fourth proportional to 651,874.69, 977,812.82 and 178,564.13 is: 267,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,874.69 : 977,812.82 = 178,564.13 : x
  2. Step 2: Convert to fraction form
    651,874.69/977,812.82 = 178,564.13/x
  3. Step 3: Cross multiply
    651,874.69x = 977,812.82 × 178,564.13
  4. Step 4: Simplify right side
    651,874.69x = 174,602,294,613.33
  5. Step 5: Solve for x
    x = 174,602,294,613.33/651,874.69
  6. Step 6: Final answer
    x = 267,846.41

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Double scale
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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.