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Finding the Fourth Proportional to 316,505.04, 474,429.48 and 197,904.06

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Solution

The fourth proportional to 316,505.04, 474,429.48 and 197,904.06 is: 296,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,505.04 : 474,429.48 = 197,904.06 : x
  2. Step 2: Convert to fraction form
    316,505.04/474,429.48 = 197,904.06/x
  3. Step 3: Cross multiply
    316,505.04x = 474,429.48 × 197,904.06
  4. Step 4: Simplify right side
    316,505.04x = 93,891,520,275.69
  5. Step 5: Solve for x
    x = 93,891,520,275.69/316,505.04
  6. Step 6: Final answer
    x = 296,650.95

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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.