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Finding the Fourth Proportional to 612,038.40, 844,596.04 and 340,099.24

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Solution

The fourth proportional to 612,038.40, 844,596.04 and 340,099.24 is: 469,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,038.40 : 844,596.04 = 340,099.24 : x
  2. Step 2: Convert to fraction form
    612,038.40/844,596.04 = 340,099.24/x
  3. Step 3: Cross multiply
    612,038.40x = 844,596.04 × 340,099.24
  4. Step 4: Simplify right side
    612,038.40x = 287,246,471,311.01
  5. Step 5: Solve for x
    x = 287,246,471,311.01/612,038.40
  6. Step 6: Final answer
    x = 469,327.53

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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.