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Finding the Fourth Proportional to 706,338.59, 974,740.38 and 384,048.69

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Solution

The fourth proportional to 706,338.59, 974,740.38 and 384,048.69 is: 529,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,338.59 : 974,740.38 = 384,048.69 : x
  2. Step 2: Convert to fraction form
    706,338.59/974,740.38 = 384,048.69/x
  3. Step 3: Cross multiply
    706,338.59x = 974,740.38 × 384,048.69
  4. Step 4: Simplify right side
    706,338.59x = 374,347,766,029.10
  5. Step 5: Solve for x
    x = 374,347,766,029.10/706,338.59
  6. Step 6: Final answer
    x = 529,983.46

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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.