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Finding the Fourth Proportional to 1,045,363.10, 1,569,211.05 and 976,837.10

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Solution

The fourth proportional to 1,045,363.10, 1,569,211.05 and 976,837.10 is: 1,466,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,363.10 : 1,569,211.05 = 976,837.10 : x
  2. Step 2: Convert to fraction form
    1,045,363.10/1,569,211.05 = 976,837.10/x
  3. Step 3: Cross multiply
    1,045,363.10x = 1,569,211.05 × 976,837.10
  4. Step 4: Simplify right side
    1,045,363.10x = 1,532,863,571,369.96
  5. Step 5: Solve for x
    x = 1,532,863,571,369.96/1,045,363.10
  6. Step 6: Final answer
    x = 1,466,345.59

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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.