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Finding the Fourth Proportional to 1,080,216, 1,490,698.08 and 603,288

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Solution

The fourth proportional to 1,080,216, 1,490,698.08 and 603,288 is: 832,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,216 : 1,490,698.08 = 603,288 : x
  2. Step 2: Convert to fraction form
    1,080,216/1,490,698.08 = 603,288/x
  3. Step 3: Cross multiply
    1,080,216x = 1,490,698.08 × 603,288
  4. Step 4: Simplify right side
    1,080,216x = 899,320,263,287.04
  5. Step 5: Solve for x
    x = 899,320,263,287.04/1,080,216
  6. Step 6: Final answer
    x = 832,537.44

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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.