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Finding the Fourth Proportional to 1,732,598.95, 2,390,865.17 and 1,007,395.22

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Solution

The fourth proportional to 1,732,598.95, 2,390,865.17 and 1,007,395.22 is: 1,390,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732,598.95 : 2,390,865.17 = 1,007,395.22 : x
  2. Step 2: Convert to fraction form
    1,732,598.95/2,390,865.17 = 1,007,395.22/x
  3. Step 3: Cross multiply
    1,732,598.95x = 2,390,865.17 × 1,007,395.22
  4. Step 4: Simplify right side
    1,732,598.95x = 2,408,546,143,922.49
  5. Step 5: Solve for x
    x = 2,408,546,143,922.49/1,732,598.95
  6. Step 6: Final answer
    x = 1,390,134.83

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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.