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Finding the Fourth Proportional to 1,760,776, 2,642,064.78 and 838,576

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Solution

The fourth proportional to 1,760,776, 2,642,064.78 and 838,576 is: 1,258,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,776 : 2,642,064.78 = 838,576 : x
  2. Step 2: Convert to fraction form
    1,760,776/2,642,064.78 = 838,576/x
  3. Step 3: Cross multiply
    1,760,776x = 2,642,064.78 × 838,576
  4. Step 4: Simplify right side
    1,760,776x = 2,215,572,114,953.28
  5. Step 5: Solve for x
    x = 2,215,572,114,953.28/1,760,776
  6. Step 6: Final answer
    x = 1,258,293.00

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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.