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Finding the Fourth Proportional to 875,343.80, 1,208,322.34 and 752,349.26

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Solution

The fourth proportional to 875,343.80, 1,208,322.34 and 752,349.26 is: 1,038,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,343.80 : 1,208,322.34 = 752,349.26 : x
  2. Step 2: Convert to fraction form
    875,343.80/1,208,322.34 = 752,349.26/x
  3. Step 3: Cross multiply
    875,343.80x = 1,208,322.34 × 752,349.26
  4. Step 4: Simplify right side
    875,343.80x = 909,080,418,340.47
  5. Step 5: Solve for x
    x = 909,080,418,340.47/875,343.80
  6. Step 6: Final answer
    x = 1,038,540.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.