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Finding the Fourth Proportional to 528,468, 792,784.53 and 173,401.26

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Solution

The fourth proportional to 528,468, 792,784.53 and 173,401.26 is: 260,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,468 : 792,784.53 = 173,401.26 : x
  2. Step 2: Convert to fraction form
    528,468/792,784.53 = 173,401.26/x
  3. Step 3: Cross multiply
    528,468x = 792,784.53 × 173,401.26
  4. Step 4: Simplify right side
    528,468x = 137,469,836,410.51
  5. Step 5: Solve for x
    x = 137,469,836,410.51/528,468
  6. Step 6: Final answer
    x = 260,128.97

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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.