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Finding the Fourth Proportional to 466,564.84, 643,879.90 and 262,628.92

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Solution

The fourth proportional to 466,564.84, 643,879.90 and 262,628.92 is: 362,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,564.84 : 643,879.90 = 262,628.92 : x
  2. Step 2: Convert to fraction form
    466,564.84/643,879.90 = 262,628.92/x
  3. Step 3: Cross multiply
    466,564.84x = 643,879.90 × 262,628.92
  4. Step 4: Simplify right side
    466,564.84x = 169,101,482,746.71
  5. Step 5: Solve for x
    x = 169,101,482,746.71/466,564.84
  6. Step 6: Final answer
    x = 362,439.40

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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.