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Finding the Fourth Proportional to 802,729.52, 1,106,809.08 and 516,261.68

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Solution

The fourth proportional to 802,729.52, 1,106,809.08 and 516,261.68 is: 711,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,729.52 : 1,106,809.08 = 516,261.68 : x
  2. Step 2: Convert to fraction form
    802,729.52/1,106,809.08 = 516,261.68/x
  3. Step 3: Cross multiply
    802,729.52x = 1,106,809.08 × 516,261.68
  4. Step 4: Simplify right side
    802,729.52x = 571,403,115,080.06
  5. Step 5: Solve for x
    x = 571,403,115,080.06/802,729.52
  6. Step 6: Final answer
    x = 711,825.22

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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.