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Finding the Fourth Proportional to 1,365,255, 1,884,052.71 and 761,643

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Solution

The fourth proportional to 1,365,255, 1,884,052.71 and 761,643 is: 1,051,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,255 : 1,884,052.71 = 761,643 : x
  2. Step 2: Convert to fraction form
    1,365,255/1,884,052.71 = 761,643/x
  3. Step 3: Cross multiply
    1,365,255x = 1,884,052.71 × 761,643
  4. Step 4: Simplify right side
    1,365,255x = 1,434,975,558,202.53
  5. Step 5: Solve for x
    x = 1,434,975,558,202.53/1,365,255
  6. Step 6: Final answer
    x = 1,051,067.79

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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.