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Finding the Fourth Proportional to 1,213,551, 1,674,701.10 and 677,007

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Solution

The fourth proportional to 1,213,551, 1,674,701.10 and 677,007 is: 934,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,551 : 1,674,701.10 = 677,007 : x
  2. Step 2: Convert to fraction form
    1,213,551/1,674,701.10 = 677,007/x
  3. Step 3: Cross multiply
    1,213,551x = 1,674,701.10 × 677,007
  4. Step 4: Simplify right side
    1,213,551x = 1,133,784,367,607.70
  5. Step 5: Solve for x
    x = 1,133,784,367,607.70/1,213,551
  6. Step 6: Final answer
    x = 934,270.06

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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.