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Finding the Fourth Proportional to 416,055.60, 624,697.80 and 322,666.80

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Solution

The fourth proportional to 416,055.60, 624,697.80 and 322,666.80 is: 484,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,055.60 : 624,697.80 = 322,666.80 : x
  2. Step 2: Convert to fraction form
    416,055.60/624,697.80 = 322,666.80/x
  3. Step 3: Cross multiply
    416,055.60x = 624,697.80 × 322,666.80
  4. Step 4: Simplify right side
    416,055.60x = 201,569,240,093.04
  5. Step 5: Solve for x
    x = 201,569,240,093.04/416,055.60
  6. Step 6: Final answer
    x = 484,476.69

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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.