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Finding the Fourth Proportional to 1,759,488, 2,428,106.40 and 954,672

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Solution

The fourth proportional to 1,759,488, 2,428,106.40 and 954,672 is: 1,317,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,488 : 2,428,106.40 = 954,672 : x
  2. Step 2: Convert to fraction form
    1,759,488/2,428,106.40 = 954,672/x
  3. Step 3: Cross multiply
    1,759,488x = 2,428,106.40 × 954,672
  4. Step 4: Simplify right side
    1,759,488x = 2,318,045,193,100.80
  5. Step 5: Solve for x
    x = 2,318,045,193,100.80/1,759,488
  6. Step 6: Final answer
    x = 1,317,454.39

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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.