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Finding the Fourth Proportional to 1,955,922.40, 2,934,758.40 and 944,653.60

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Solution

The fourth proportional to 1,955,922.40, 2,934,758.40 and 944,653.60 is: 1,417,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,922.40 : 2,934,758.40 = 944,653.60 : x
  2. Step 2: Convert to fraction form
    1,955,922.40/2,934,758.40 = 944,653.60/x
  3. Step 3: Cross multiply
    1,955,922.40x = 2,934,758.40 × 944,653.60
  4. Step 4: Simplify right side
    1,955,922.40x = 2,772,330,087,690.24
  5. Step 5: Solve for x
    x = 2,772,330,087,690.24/1,955,922.40
  6. Step 6: Final answer
    x = 1,417,402.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.