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Finding the Fourth Proportional to 604,620.74, 907,281.57 and 305,124.74

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Solution

The fourth proportional to 604,620.74, 907,281.57 and 305,124.74 is: 457,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,620.74 : 907,281.57 = 305,124.74 : x
  2. Step 2: Convert to fraction form
    604,620.74/907,281.57 = 305,124.74/x
  3. Step 3: Cross multiply
    604,620.74x = 907,281.57 × 305,124.74
  4. Step 4: Simplify right side
    604,620.74x = 276,834,053,153.04
  5. Step 5: Solve for x
    x = 276,834,053,153.04/604,620.74
  6. Step 6: Final answer
    x = 457,863.97

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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.