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Finding the Fourth Proportional to 1,845,758.40, 2,768,637.60 and 1,133,476.80

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Solution

The fourth proportional to 1,845,758.40, 2,768,637.60 and 1,133,476.80 is: 1,700,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,758.40 : 2,768,637.60 = 1,133,476.80 : x
  2. Step 2: Convert to fraction form
    1,845,758.40/2,768,637.60 = 1,133,476.80/x
  3. Step 3: Cross multiply
    1,845,758.40x = 2,768,637.60 × 1,133,476.80
  4. Step 4: Simplify right side
    1,845,758.40x = 3,138,186,487,207.68
  5. Step 5: Solve for x
    x = 3,138,186,487,207.68/1,845,758.40
  6. Step 6: Final answer
    x = 1,700,215.20

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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.