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Finding the Fourth Proportional to 1,845,309.80, 2,767,964.70 and 995,004.20

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Solution

The fourth proportional to 1,845,309.80, 2,767,964.70 and 995,004.20 is: 1,492,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,309.80 : 2,767,964.70 = 995,004.20 : x
  2. Step 2: Convert to fraction form
    1,845,309.80/2,767,964.70 = 995,004.20/x
  3. Step 3: Cross multiply
    1,845,309.80x = 2,767,964.70 × 995,004.20
  4. Step 4: Simplify right side
    1,845,309.80x = 2,754,136,501,951.74
  5. Step 5: Solve for x
    x = 2,754,136,501,951.74/1,845,309.80
  6. Step 6: Final answer
    x = 1,492,506.30

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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.