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Finding the Fourth Proportional to 417,328.32, 625,985.48 and 133,014.98

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Solution

The fourth proportional to 417,328.32, 625,985.48 and 133,014.98 is: 199,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,328.32 : 625,985.48 = 133,014.98 : x
  2. Step 2: Convert to fraction form
    417,328.32/625,985.48 = 133,014.98/x
  3. Step 3: Cross multiply
    417,328.32x = 625,985.48 × 133,014.98
  4. Step 4: Simplify right side
    417,328.32x = 83,265,446,102.49
  5. Step 5: Solve for x
    x = 83,265,446,102.49/417,328.32
  6. Step 6: Final answer
    x = 199,520.24

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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.