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Finding the Fourth Proportional to 917,571.90, 1,373,733.45 and 917,571.90

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Solution

The fourth proportional to 917,571.90, 1,373,733.45 and 917,571.90 is: 1,373,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,571.90 : 1,373,733.45 = 917,571.90 : x
  2. Step 2: Convert to fraction form
    917,571.90/1,373,733.45 = 917,571.90/x
  3. Step 3: Cross multiply
    917,571.90x = 1,373,733.45 × 917,571.90
  4. Step 4: Simplify right side
    917,571.90x = 1,260,499,211,810.06
  5. Step 5: Solve for x
    x = 1,260,499,211,810.06/917,571.90
  6. Step 6: Final answer
    x = 1,373,733.45

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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.