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Finding the Fourth Proportional to 1,040,073, 1,435,300.74 and 563,145

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Solution

The fourth proportional to 1,040,073, 1,435,300.74 and 563,145 is: 777,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,073 : 1,435,300.74 = 563,145 : x
  2. Step 2: Convert to fraction form
    1,040,073/1,435,300.74 = 563,145/x
  3. Step 3: Cross multiply
    1,040,073x = 1,435,300.74 × 563,145
  4. Step 4: Simplify right side
    1,040,073x = 808,282,435,227.30
  5. Step 5: Solve for x
    x = 808,282,435,227.30/1,040,073
  6. Step 6: Final answer
    x = 777,140.10

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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.