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Finding the Fourth Proportional to 1,365,263.88, 1,884,051 and 753,422.28

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Solution

The fourth proportional to 1,365,263.88, 1,884,051 and 753,422.28 is: 1,039,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,263.88 : 1,884,051 = 753,422.28 : x
  2. Step 2: Convert to fraction form
    1,365,263.88/1,884,051 = 753,422.28/x
  3. Step 3: Cross multiply
    1,365,263.88x = 1,884,051 × 753,422.28
  4. Step 4: Simplify right side
    1,365,263.88x = 1,419,486,000,056.28
  5. Step 5: Solve for x
    x = 1,419,486,000,056.28/1,365,263.88
  6. Step 6: Final answer
    x = 1,039,715.49

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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.