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Finding the Fourth Proportional to 358,570.29, 494,823.02 and 197,422.01

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Solution

The fourth proportional to 358,570.29, 494,823.02 and 197,422.01 is: 272,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,570.29 : 494,823.02 = 197,422.01 : x
  2. Step 2: Convert to fraction form
    358,570.29/494,823.02 = 197,422.01/x
  3. Step 3: Cross multiply
    358,570.29x = 494,823.02 × 197,422.01
  4. Step 4: Simplify right side
    358,570.29x = 97,688,951,741.45
  5. Step 5: Solve for x
    x = 97,688,951,741.45/358,570.29
  6. Step 6: Final answer
    x = 272,440.17

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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.