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Finding the Fourth Proportional to 706,046.77, 974,350.53 and 383,756.83

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Solution

The fourth proportional to 706,046.77, 974,350.53 and 383,756.83 is: 529,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,046.77 : 974,350.53 = 383,756.83 : x
  2. Step 2: Convert to fraction form
    706,046.77/974,350.53 = 383,756.83/x
  3. Step 3: Cross multiply
    706,046.77x = 974,350.53 × 383,756.83
  4. Step 4: Simplify right side
    706,046.77x = 373,913,670,701.62
  5. Step 5: Solve for x
    x = 373,913,670,701.62/706,046.77
  6. Step 6: Final answer
    x = 529,587.68

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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.