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Finding the Fourth Proportional to 833,900.50, 1,150,906.22 and 528,005.32

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Solution

The fourth proportional to 833,900.50, 1,150,906.22 and 528,005.32 is: 728,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,900.50 : 1,150,906.22 = 528,005.32 : x
  2. Step 2: Convert to fraction form
    833,900.50/1,150,906.22 = 528,005.32/x
  3. Step 3: Cross multiply
    833,900.50x = 1,150,906.22 × 528,005.32
  4. Step 4: Simplify right side
    833,900.50x = 607,684,606,981.09
  5. Step 5: Solve for x
    x = 607,684,606,981.09/833,900.50
  6. Step 6: Final answer
    x = 728,725.56

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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.