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Finding the Fourth Proportional to 1,849,941.52, 2,774,848.92 and 784,297.36

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Solution

The fourth proportional to 1,849,941.52, 2,774,848.92 and 784,297.36 is: 1,176,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849,941.52 : 2,774,848.92 = 784,297.36 : x
  2. Step 2: Convert to fraction form
    1,849,941.52/2,774,848.92 = 784,297.36/x
  3. Step 3: Cross multiply
    1,849,941.52x = 2,774,848.92 × 784,297.36
  4. Step 4: Simplify right side
    1,849,941.52x = 2,176,306,682,354.85
  5. Step 5: Solve for x
    x = 2,176,306,682,354.85/1,849,941.52
  6. Step 6: Final answer
    x = 1,176,419.18

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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.