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Finding the Fourth Proportional to 706,017.77, 974,304.65 and 383,727.88

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Solution

The fourth proportional to 706,017.77, 974,304.65 and 383,727.88 is: 529,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,017.77 : 974,304.65 = 383,727.88 : x
  2. Step 2: Convert to fraction form
    706,017.77/974,304.65 = 383,727.88/x
  3. Step 3: Cross multiply
    706,017.77x = 974,304.65 × 383,727.88
  4. Step 4: Simplify right side
    706,017.77x = 373,867,859,995.84
  5. Step 5: Solve for x
    x = 373,867,859,995.84/706,017.77
  6. Step 6: Final answer
    x = 529,544.55

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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.