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Finding the Fourth Proportional to 841,299.84, 1,260,672.84 and 616,809.72

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Solution

The fourth proportional to 841,299.84, 1,260,672.84 and 616,809.72 is: 924,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,299.84 : 1,260,672.84 = 616,809.72 : x
  2. Step 2: Convert to fraction form
    841,299.84/1,260,672.84 = 616,809.72/x
  3. Step 3: Cross multiply
    841,299.84x = 1,260,672.84 × 616,809.72
  4. Step 4: Simplify right side
    841,299.84x = 777,595,261,452.01
  5. Step 5: Solve for x
    x = 777,595,261,452.01/841,299.84
  6. Step 6: Final answer
    x = 924,278.39

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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.