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Finding the Fourth Proportional to 755,765.56, 1,041,740.89 and 510,673.80

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Solution

The fourth proportional to 755,765.56, 1,041,740.89 and 510,673.80 is: 703,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,765.56 : 1,041,740.89 = 510,673.80 : x
  2. Step 2: Convert to fraction form
    755,765.56/1,041,740.89 = 510,673.80/x
  3. Step 3: Cross multiply
    755,765.56x = 1,041,740.89 × 510,673.80
  4. Step 4: Simplify right side
    755,765.56x = 531,989,778,911.68
  5. Step 5: Solve for x
    x = 531,989,778,911.68/755,765.56
  6. Step 6: Final answer
    x = 703,908.47

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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.