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Finding the Fourth Proportional to 474,615.56, 712,030 and 159,064.40

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Solution

The fourth proportional to 474,615.56, 712,030 and 159,064.40 is: 238,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,615.56 : 712,030 = 159,064.40 : x
  2. Step 2: Convert to fraction form
    474,615.56/712,030 = 159,064.40/x
  3. Step 3: Cross multiply
    474,615.56x = 712,030 × 159,064.40
  4. Step 4: Simplify right side
    474,615.56x = 113,258,624,732
  5. Step 5: Solve for x
    x = 113,258,624,732/474,615.56
  6. Step 6: Final answer
    x = 238,632.35

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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.