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Finding the Fourth Proportional to 454,737.74, 627,430.19 and 258,488.82

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Solution

The fourth proportional to 454,737.74, 627,430.19 and 258,488.82 is: 356,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,737.74 : 627,430.19 = 258,488.82 : x
  2. Step 2: Convert to fraction form
    454,737.74/627,430.19 = 258,488.82/x
  3. Step 3: Cross multiply
    454,737.74x = 627,430.19 × 258,488.82
  4. Step 4: Simplify right side
    454,737.74x = 162,183,685,015.88
  5. Step 5: Solve for x
    x = 162,183,685,015.88/454,737.74
  6. Step 6: Final answer
    x = 356,653.24

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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.