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Finding the Fourth Proportional to 928,034, 1,392,051 and 227,618

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Solution

The fourth proportional to 928,034, 1,392,051 and 227,618 is: 341,427

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,034 : 1,392,051 = 227,618 : x
  2. Step 2: Convert to fraction form
    928,034/1,392,051 = 227,618/x
  3. Step 3: Cross multiply
    928,034x = 1,392,051 × 227,618
  4. Step 4: Simplify right side
    928,034x = 316,855,864,518
  5. Step 5: Solve for x
    x = 316,855,864,518/928,034
  6. Step 6: Final answer
    x = 341,427

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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.