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Finding the Fourth Proportional to 474,156.56, 710,485.76 and 384,974.34

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Solution

The fourth proportional to 474,156.56, 710,485.76 and 384,974.34 is: 576,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,156.56 : 710,485.76 = 384,974.34 : x
  2. Step 2: Convert to fraction form
    474,156.56/710,485.76 = 384,974.34/x
  3. Step 3: Cross multiply
    474,156.56x = 710,485.76 × 384,974.34
  4. Step 4: Simplify right side
    474,156.56x = 273,518,784,610.53
  5. Step 5: Solve for x
    x = 273,518,784,610.53/474,156.56
  6. Step 6: Final answer
    x = 576,853.32

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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.