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Finding the Fourth Proportional to 841,386, 1,262,079 and 250,410

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Solution

The fourth proportional to 841,386, 1,262,079 and 250,410 is: 375,615

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,386 : 1,262,079 = 250,410 : x
  2. Step 2: Convert to fraction form
    841,386/1,262,079 = 250,410/x
  3. Step 3: Cross multiply
    841,386x = 1,262,079 × 250,410
  4. Step 4: Simplify right side
    841,386x = 316,037,202,390
  5. Step 5: Solve for x
    x = 316,037,202,390/841,386
  6. Step 6: Final answer
    x = 375,615

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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.