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Finding the Fourth Proportional to 1,095,634, 1,643,451 and 296,915.48

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Solution

The fourth proportional to 1,095,634, 1,643,451 and 296,915.48 is: 445,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,634 : 1,643,451 = 296,915.48 : x
  2. Step 2: Convert to fraction form
    1,095,634/1,643,451 = 296,915.48/x
  3. Step 3: Cross multiply
    1,095,634x = 1,643,451 × 296,915.48
  4. Step 4: Simplify right side
    1,095,634x = 487,966,042,521.48
  5. Step 5: Solve for x
    x = 487,966,042,521.48/1,095,634
  6. Step 6: Final answer
    x = 445,373.22

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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.