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Finding the Fourth Proportional to 1,315,798.03, 1,974,484.37 and 1,208,722.51

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Solution

The fourth proportional to 1,315,798.03, 1,974,484.37 and 1,208,722.51 is: 1,813,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,798.03 : 1,974,484.37 = 1,208,722.51 : x
  2. Step 2: Convert to fraction form
    1,315,798.03/1,974,484.37 = 1,208,722.51/x
  3. Step 3: Cross multiply
    1,315,798.03x = 1,974,484.37 × 1,208,722.51
  4. Step 4: Simplify right side
    1,315,798.03x = 2,386,603,705,576.57
  5. Step 5: Solve for x
    x = 2,386,603,705,576.57/1,315,798.03
  6. Step 6: Final answer
    x = 1,813,807.02

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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.