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Finding the Fourth Proportional to 604,654.74, 907,332.57 and 305,158.73

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Solution

The fourth proportional to 604,654.74, 907,332.57 and 305,158.73 is: 457,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,654.74 : 907,332.57 = 305,158.73 : x
  2. Step 2: Convert to fraction form
    604,654.74/907,332.57 = 305,158.73/x
  3. Step 3: Cross multiply
    604,654.74x = 907,332.57 × 305,158.73
  4. Step 4: Simplify right side
    604,654.74x = 276,880,450,212.17
  5. Step 5: Solve for x
    x = 276,880,450,212.17/604,654.74
  6. Step 6: Final answer
    x = 457,914.96

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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.