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Finding the Fourth Proportional to 612,001.94, 844,551.47 and 340,064.88

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Solution

The fourth proportional to 612,001.94, 844,551.47 and 340,064.88 is: 469,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,001.94 : 844,551.47 = 340,064.88 : x
  2. Step 2: Convert to fraction form
    612,001.94/844,551.47 = 340,064.88/x
  3. Step 3: Cross multiply
    612,001.94x = 844,551.47 × 340,064.88
  4. Step 4: Simplify right side
    612,001.94x = 287,202,292,599.05
  5. Step 5: Solve for x
    x = 287,202,292,599.05/612,001.94
  6. Step 6: Final answer
    x = 469,283.31

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1.5x scale

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.