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Finding the Fourth Proportional to 1,781,352, 2,458,265.76 and 976,536

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Solution

The fourth proportional to 1,781,352, 2,458,265.76 and 976,536 is: 1,347,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,352 : 2,458,265.76 = 976,536 : x
  2. Step 2: Convert to fraction form
    1,781,352/2,458,265.76 = 976,536/x
  3. Step 3: Cross multiply
    1,781,352x = 2,458,265.76 × 976,536
  4. Step 4: Simplify right side
    1,781,352x = 2,400,585,012,207.36
  5. Step 5: Solve for x
    x = 2,400,585,012,207.36/1,781,352
  6. Step 6: Final answer
    x = 1,347,619.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.