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Finding the Fourth Proportional to 416,097.80, 624,146.70 and 411,950.60

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Solution

The fourth proportional to 416,097.80, 624,146.70 and 411,950.60 is: 617,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,097.80 : 624,146.70 = 411,950.60 : x
  2. Step 2: Convert to fraction form
    416,097.80/624,146.70 = 411,950.60/x
  3. Step 3: Cross multiply
    416,097.80x = 624,146.70 × 411,950.60
  4. Step 4: Simplify right side
    416,097.80x = 257,117,607,553.02
  5. Step 5: Solve for x
    x = 257,117,607,553.02/416,097.80
  6. Step 6: Final answer
    x = 617,925.90

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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.