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Finding the Fourth Proportional to 358,612.59, 494,888.61 and 197,473.35

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Solution

The fourth proportional to 358,612.59, 494,888.61 and 197,473.35 is: 272,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,612.59 : 494,888.61 = 197,473.35 : x
  2. Step 2: Convert to fraction form
    358,612.59/494,888.61 = 197,473.35/x
  3. Step 3: Cross multiply
    358,612.59x = 494,888.61 × 197,473.35
  4. Step 4: Simplify right side
    358,612.59x = 97,727,309,219.10
  5. Step 5: Solve for x
    x = 97,727,309,219.10/358,612.59
  6. Step 6: Final answer
    x = 272,515.00

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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.