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Finding the Fourth Proportional to 720,323.36, 992,897.64 and 567,118.88

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Solution

The fourth proportional to 720,323.36, 992,897.64 and 567,118.88 is: 781,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,323.36 : 992,897.64 = 567,118.88 : x
  2. Step 2: Convert to fraction form
    720,323.36/992,897.64 = 567,118.88/x
  3. Step 3: Cross multiply
    720,323.36x = 992,897.64 × 567,118.88
  4. Step 4: Simplify right side
    720,323.36x = 563,090,997,551.44
  5. Step 5: Solve for x
    x = 563,090,997,551.44/720,323.36
  6. Step 6: Final answer
    x = 781,719.75

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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.