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Finding the Fourth Proportional to 1,096,583.10, 1,642,541.85 and 909,959.10

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Solution

The fourth proportional to 1,096,583.10, 1,642,541.85 and 909,959.10 is: 1,363,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,583.10 : 1,642,541.85 = 909,959.10 : x
  2. Step 2: Convert to fraction form
    1,096,583.10/1,642,541.85 = 909,959.10/x
  3. Step 3: Cross multiply
    1,096,583.10x = 1,642,541.85 × 909,959.10
  4. Step 4: Simplify right side
    1,096,583.10x = 1,494,645,903,538.34
  5. Step 5: Solve for x
    x = 1,494,645,903,538.34/1,096,583.10
  6. Step 6: Final answer
    x = 1,363,002.86

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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.