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Finding the Fourth Proportional to 1,849,717, 2,774,575.62 and 520,021

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Solution

The fourth proportional to 1,849,717, 2,774,575.62 and 520,021 is: 780,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849,717 : 2,774,575.62 = 520,021 : x
  2. Step 2: Convert to fraction form
    1,849,717/2,774,575.62 = 520,021/x
  3. Step 3: Cross multiply
    1,849,717x = 2,774,575.62 × 520,021
  4. Step 4: Simplify right side
    1,849,717x = 1,442,837,588,488.02
  5. Step 5: Solve for x
    x = 1,442,837,588,488.02/1,849,717
  6. Step 6: Final answer
    x = 780,031.53

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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.