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Finding the Fourth Proportional to 612,033.60, 844,589.40 and 340,094.40

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Solution

The fourth proportional to 612,033.60, 844,589.40 and 340,094.40 is: 469,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,033.60 : 844,589.40 = 340,094.40 : x
  2. Step 2: Convert to fraction form
    612,033.60/844,589.40 = 340,094.40/x
  3. Step 3: Cross multiply
    612,033.60x = 844,589.40 × 340,094.40
  4. Step 4: Simplify right side
    612,033.60x = 287,240,125,239.36
  5. Step 5: Solve for x
    x = 287,240,125,239.36/612,033.60
  6. Step 6: Final answer
    x = 469,320.84

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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.