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Finding the Fourth Proportional to 651,331.60, 977,112.60 and 230,851.60

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Solution

The fourth proportional to 651,331.60, 977,112.60 and 230,851.60 is: 346,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,331.60 : 977,112.60 = 230,851.60 : x
  2. Step 2: Convert to fraction form
    651,331.60/977,112.60 = 230,851.60/x
  3. Step 3: Cross multiply
    651,331.60x = 977,112.60 × 230,851.60
  4. Step 4: Simplify right side
    651,331.60x = 225,568,007,090.16
  5. Step 5: Solve for x
    x = 225,568,007,090.16/651,331.60
  6. Step 6: Final answer
    x = 346,318.23

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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.