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Finding the Fourth Proportional to 1,054,363.70, 1,581,545.55 and 1,013,029.40

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Solution

The fourth proportional to 1,054,363.70, 1,581,545.55 and 1,013,029.40 is: 1,519,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,363.70 : 1,581,545.55 = 1,013,029.40 : x
  2. Step 2: Convert to fraction form
    1,054,363.70/1,581,545.55 = 1,013,029.40/x
  3. Step 3: Cross multiply
    1,054,363.70x = 1,581,545.55 × 1,013,029.40
  4. Step 4: Simplify right side
    1,054,363.70x = 1,602,152,139,589.17
  5. Step 5: Solve for x
    x = 1,602,152,139,589.17/1,054,363.70
  6. Step 6: Final answer
    x = 1,519,544.10

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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.