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Finding the Fourth Proportional to 535,321.36, 802,727.76 and 310,750.66

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Solution

The fourth proportional to 535,321.36, 802,727.76 and 310,750.66 is: 465,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,321.36 : 802,727.76 = 310,750.66 : x
  2. Step 2: Convert to fraction form
    535,321.36/802,727.76 = 310,750.66/x
  3. Step 3: Cross multiply
    535,321.36x = 802,727.76 × 310,750.66
  4. Step 4: Simplify right side
    535,321.36x = 249,448,181,220.32
  5. Step 5: Solve for x
    x = 249,448,181,220.32/535,321.36
  6. Step 6: Final answer
    x = 465,978.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.