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Finding the Fourth Proportional to 416,518.02, 624,801.23 and 117,021.93

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Solution

The fourth proportional to 416,518.02, 624,801.23 and 117,021.93 is: 175,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,518.02 : 624,801.23 = 117,021.93 : x
  2. Step 2: Convert to fraction form
    416,518.02/624,801.23 = 117,021.93/x
  3. Step 3: Cross multiply
    416,518.02x = 624,801.23 × 117,021.93
  4. Step 4: Simplify right side
    416,518.02x = 73,115,445,800.97
  5. Step 5: Solve for x
    x = 73,115,445,800.97/416,518.02
  6. Step 6: Final answer
    x = 175,539.69

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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.