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Finding the Fourth Proportional to 665,444.85, 998,684.88 and 464,459.55

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Solution

The fourth proportional to 665,444.85, 998,684.88 and 464,459.55 is: 697,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,444.85 : 998,684.88 = 464,459.55 : x
  2. Step 2: Convert to fraction form
    665,444.85/998,684.88 = 464,459.55/x
  3. Step 3: Cross multiply
    665,444.85x = 998,684.88 × 464,459.55
  4. Step 4: Simplify right side
    665,444.85x = 463,848,729,956.60
  5. Step 5: Solve for x
    x = 463,848,729,956.60/665,444.85
  6. Step 6: Final answer
    x = 697,050.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.