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Finding the Fourth Proportional to 1,618,103, 2,232,983.10 and 902,711

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Solution

The fourth proportional to 1,618,103, 2,232,983.10 and 902,711 is: 1,245,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,103 : 2,232,983.10 = 902,711 : x
  2. Step 2: Convert to fraction form
    1,618,103/2,232,983.10 = 902,711/x
  3. Step 3: Cross multiply
    1,618,103x = 2,232,983.10 × 902,711
  4. Step 4: Simplify right side
    1,618,103x = 2,015,738,407,184.10
  5. Step 5: Solve for x
    x = 2,015,738,407,184.10/1,618,103
  6. Step 6: Final answer
    x = 1,245,741.72

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1.5x scale

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.