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Finding the Fourth Proportional to 316,439.34, 474,598.53 and 94,823.34

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Solution

The fourth proportional to 316,439.34, 474,598.53 and 94,823.34 is: 142,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,439.34 : 474,598.53 = 94,823.34 : x
  2. Step 2: Convert to fraction form
    316,439.34/474,598.53 = 94,823.34/x
  3. Step 3: Cross multiply
    316,439.34x = 474,598.53 × 94,823.34
  4. Step 4: Simplify right side
    316,439.34x = 45,003,017,773.69
  5. Step 5: Solve for x
    x = 45,003,017,773.69/316,439.34
  6. Step 6: Final answer
    x = 142,216.89

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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.