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Finding the Fourth Proportional to 706,051.35, 974,352.11 and 383,760.59

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Solution

The fourth proportional to 706,051.35, 974,352.11 and 383,760.59 is: 529,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,051.35 : 974,352.11 = 383,760.59 : x
  2. Step 2: Convert to fraction form
    706,051.35/974,352.11 = 383,760.59/x
  3. Step 3: Cross multiply
    706,051.35x = 974,352.11 × 383,760.59
  4. Step 4: Simplify right side
    706,051.35x = 373,917,933,810.78
  5. Step 5: Solve for x
    x = 373,917,933,810.78/706,051.35
  6. Step 6: Final answer
    x = 529,590.28

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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.