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Finding the Fourth Proportional to 466,547.82, 643,856.46 and 262,611.90

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Solution

The fourth proportional to 466,547.82, 643,856.46 and 262,611.90 is: 362,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,547.82 : 643,856.46 = 262,611.90 : x
  2. Step 2: Convert to fraction form
    466,547.82/643,856.46 = 262,611.90/x
  3. Step 3: Cross multiply
    466,547.82x = 643,856.46 × 262,611.90
  4. Step 4: Simplify right side
    466,547.82x = 169,084,368,287.87
  5. Step 5: Solve for x
    x = 169,084,368,287.87/466,547.82
  6. Step 6: Final answer
    x = 362,415.94

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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.