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Finding the Fourth Proportional to 955,376.28, 1,318,392 and 525,656.64

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Solution

The fourth proportional to 955,376.28, 1,318,392 and 525,656.64 is: 725,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,376.28 : 1,318,392 = 525,656.64 : x
  2. Step 2: Convert to fraction form
    955,376.28/1,318,392 = 525,656.64/x
  3. Step 3: Cross multiply
    955,376.28x = 1,318,392 × 525,656.64
  4. Step 4: Simplify right side
    955,376.28x = 693,021,508,922.88
  5. Step 5: Solve for x
    x = 693,021,508,922.88/955,376.28
  6. Step 6: Final answer
    x = 725,391.16

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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.