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Finding the Fourth Proportional to 1,697,668, 2,545,961 and 560,218.20

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Solution

The fourth proportional to 1,697,668, 2,545,961 and 560,218.20 is: 840,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,668 : 2,545,961 = 560,218.20 : x
  2. Step 2: Convert to fraction form
    1,697,668/2,545,961 = 560,218.20/x
  3. Step 3: Cross multiply
    1,697,668x = 2,545,961 × 560,218.20
  4. Step 4: Simplify right side
    1,697,668x = 1,426,293,688,690.20
  5. Step 5: Solve for x
    x = 1,426,293,688,690.20/1,697,668
  6. Step 6: Final answer
    x = 840,148.77

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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.