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Finding the Fourth Proportional to 1,719,957.65, 2,579,937.68 and 440,569.94

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Solution

The fourth proportional to 1,719,957.65, 2,579,937.68 and 440,569.94 is: 660,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,957.65 : 2,579,937.68 = 440,569.94 : x
  2. Step 2: Convert to fraction form
    1,719,957.65/2,579,937.68 = 440,569.94/x
  3. Step 3: Cross multiply
    1,719,957.65x = 2,579,937.68 × 440,569.94
  4. Step 4: Simplify right side
    1,719,957.65x = 1,136,642,977,083.08
  5. Step 5: Solve for x
    x = 1,136,642,977,083.08/1,719,957.65
  6. Step 6: Final answer
    x = 660,855.21

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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.