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Finding the Fourth Proportional to 1,798,545.68, 2,692,984.15 and 1,370,040.23

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Solution

The fourth proportional to 1,798,545.68, 2,692,984.15 and 1,370,040.23 is: 2,051,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,545.68 : 2,692,984.15 = 1,370,040.23 : x
  2. Step 2: Convert to fraction form
    1,798,545.68/2,692,984.15 = 1,370,040.23/x
  3. Step 3: Cross multiply
    1,798,545.68x = 2,692,984.15 × 1,370,040.23
  4. Step 4: Simplify right side
    1,798,545.68x = 3,689,496,624,252.35
  5. Step 5: Solve for x
    x = 3,689,496,624,252.35/1,798,545.68
  6. Step 6: Final answer
    x = 2,051,377.77

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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.