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Finding the Fourth Proportional to 1,283,256, 1,771,360.56 and 746,712

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Solution

The fourth proportional to 1,283,256, 1,771,360.56 and 746,712 is: 1,030,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,256 : 1,771,360.56 = 746,712 : x
  2. Step 2: Convert to fraction form
    1,283,256/1,771,360.56 = 746,712/x
  3. Step 3: Cross multiply
    1,283,256x = 1,771,360.56 × 746,712
  4. Step 4: Simplify right side
    1,283,256x = 1,322,696,186,478.72
  5. Step 5: Solve for x
    x = 1,322,696,186,478.72/1,283,256
  6. Step 6: Final answer
    x = 1,030,734.46

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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.