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Finding the Fourth Proportional to 707,039.54, 975,735.09 and 384,770.42

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Solution

The fourth proportional to 707,039.54, 975,735.09 and 384,770.42 is: 530,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,039.54 : 975,735.09 = 384,770.42 : x
  2. Step 2: Convert to fraction form
    707,039.54/975,735.09 = 384,770.42/x
  3. Step 3: Cross multiply
    707,039.54x = 975,735.09 × 384,770.42
  4. Step 4: Simplify right side
    707,039.54x = 375,433,995,509.36
  5. Step 5: Solve for x
    x = 375,433,995,509.36/707,039.54
  6. Step 6: Final answer
    x = 530,994.35

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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.