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Finding the Fourth Proportional to 416,000.10, 624,000.15 and 335,820.90

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Solution

The fourth proportional to 416,000.10, 624,000.15 and 335,820.90 is: 503,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,000.10 : 624,000.15 = 335,820.90 : x
  2. Step 2: Convert to fraction form
    416,000.10/624,000.15 = 335,820.90/x
  3. Step 3: Cross multiply
    416,000.10x = 624,000.15 × 335,820.90
  4. Step 4: Simplify right side
    416,000.10x = 209,552,291,973.14
  5. Step 5: Solve for x
    x = 209,552,291,973.14/416,000.10
  6. Step 6: Final answer
    x = 503,731.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.