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Finding the Fourth Proportional to 1,818,153, 2,727,623.16 and 696,222

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Solution

The fourth proportional to 1,818,153, 2,727,623.16 and 696,222 is: 1,044,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,153 : 2,727,623.16 = 696,222 : x
  2. Step 2: Convert to fraction form
    1,818,153/2,727,623.16 = 696,222/x
  3. Step 3: Cross multiply
    1,818,153x = 2,727,623.16 × 696,222
  4. Step 4: Simplify right side
    1,818,153x = 1,899,031,251,701.52
  5. Step 5: Solve for x
    x = 1,899,031,251,701.52/1,818,153
  6. Step 6: Final answer
    x = 1,044,483.74

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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.