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Finding the Fourth Proportional to 484,574.24, 668,333.76 and 314,863.04

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Solution

The fourth proportional to 484,574.24, 668,333.76 and 314,863.04 is: 434,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,574.24 : 668,333.76 = 314,863.04 : x
  2. Step 2: Convert to fraction form
    484,574.24/668,333.76 = 314,863.04/x
  3. Step 3: Cross multiply
    484,574.24x = 668,333.76 × 314,863.04
  4. Step 4: Simplify right side
    484,574.24x = 210,433,599,408.23
  5. Step 5: Solve for x
    x = 210,433,599,408.23/484,574.24
  6. Step 6: Final answer
    x = 434,264.93

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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.