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Finding the Fourth Proportional to 1,045,365.10, 1,569,214.05 and 976,839.10

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Solution

The fourth proportional to 1,045,365.10, 1,569,214.05 and 976,839.10 is: 1,466,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,365.10 : 1,569,214.05 = 976,839.10 : x
  2. Step 2: Convert to fraction form
    1,045,365.10/1,569,214.05 = 976,839.10/x
  3. Step 3: Cross multiply
    1,045,365.10x = 1,569,214.05 × 976,839.10
  4. Step 4: Simplify right side
    1,045,365.10x = 1,532,869,640,309.36
  5. Step 5: Solve for x
    x = 1,532,869,640,309.36/1,045,365.10
  6. Step 6: Final answer
    x = 1,466,348.59

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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.