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Finding the Fourth Proportional to 619,325.10, 929,014.65 and 170,034.30

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Solution

The fourth proportional to 619,325.10, 929,014.65 and 170,034.30 is: 255,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,325.10 : 929,014.65 = 170,034.30 : x
  2. Step 2: Convert to fraction form
    619,325.10/929,014.65 = 170,034.30/x
  3. Step 3: Cross multiply
    619,325.10x = 929,014.65 × 170,034.30
  4. Step 4: Simplify right side
    619,325.10x = 157,964,355,702.50
  5. Step 5: Solve for x
    x = 157,964,355,702.50/619,325.10
  6. Step 6: Final answer
    x = 255,058.86

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1.5x scale

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.