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Finding the Fourth Proportional to 365,599.40, 548,399.10 and 351,602.60

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Solution

The fourth proportional to 365,599.40, 548,399.10 and 351,602.60 is: 527,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,599.40 : 548,399.10 = 351,602.60 : x
  2. Step 2: Convert to fraction form
    365,599.40/548,399.10 = 351,602.60/x
  3. Step 3: Cross multiply
    365,599.40x = 548,399.10 × 351,602.60
  4. Step 4: Simplify right side
    365,599.40x = 192,818,549,397.66
  5. Step 5: Solve for x
    x = 192,818,549,397.66/365,599.40
  6. Step 6: Final answer
    x = 527,403.90

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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.