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Finding the Fourth Proportional to 833,900, 1,150,905.53 and 528,004.82

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Solution

The fourth proportional to 833,900, 1,150,905.53 and 528,004.82 is: 728,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,900 : 1,150,905.53 = 528,004.82 : x
  2. Step 2: Convert to fraction form
    833,900/1,150,905.53 = 528,004.82/x
  3. Step 3: Cross multiply
    833,900x = 1,150,905.53 × 528,004.82
  4. Step 4: Simplify right side
    833,900x = 607,683,667,204.66
  5. Step 5: Solve for x
    x = 607,683,667,204.66/833,900
  6. Step 6: Final answer
    x = 728,724.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.