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Finding the Fourth Proportional to 1,254,526.62, 1,731,255.02 and 681,566.64

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Solution

The fourth proportional to 1,254,526.62, 1,731,255.02 and 681,566.64 is: 940,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,526.62 : 1,731,255.02 = 681,566.64 : x
  2. Step 2: Convert to fraction form
    1,254,526.62/1,731,255.02 = 681,566.64/x
  3. Step 3: Cross multiply
    1,254,526.62x = 1,731,255.02 × 681,566.64
  4. Step 4: Simplify right side
    1,254,526.62x = 1,179,965,666,964.53
  5. Step 5: Solve for x
    x = 1,179,965,666,964.53/1,254,526.62
  6. Step 6: Final answer
    x = 940,566.46

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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.