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Finding the Fourth Proportional to 315,651.33, 473,541.39 and 115,973.64

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Solution

The fourth proportional to 315,651.33, 473,541.39 and 115,973.64 is: 173,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,651.33 : 473,541.39 = 115,973.64 : x
  2. Step 2: Convert to fraction form
    315,651.33/473,541.39 = 115,973.64/x
  3. Step 3: Cross multiply
    315,651.33x = 473,541.39 × 115,973.64
  4. Step 4: Simplify right side
    315,651.33x = 54,918,318,688.96
  5. Step 5: Solve for x
    x = 54,918,318,688.96/315,651.33
  6. Step 6: Final answer
    x = 173,984.12

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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.