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Finding the Fourth Proportional to 601,331.12, 829,264.50 and 359,575.28

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Solution

The fourth proportional to 601,331.12, 829,264.50 and 359,575.28 is: 495,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,331.12 : 829,264.50 = 359,575.28 : x
  2. Step 2: Convert to fraction form
    601,331.12/829,264.50 = 359,575.28/x
  3. Step 3: Cross multiply
    601,331.12x = 829,264.50 × 359,575.28
  4. Step 4: Simplify right side
    601,331.12x = 298,183,014,781.56
  5. Step 5: Solve for x
    x = 298,183,014,781.56/601,331.12
  6. Step 6: Final answer
    x = 495,871.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.