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Finding the Fourth Proportional to 416,059.60, 624,703.80 and 322,670.80

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Solution

The fourth proportional to 416,059.60, 624,703.80 and 322,670.80 is: 484,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,059.60 : 624,703.80 = 322,670.80 : x
  2. Step 2: Convert to fraction form
    416,059.60/624,703.80 = 322,670.80/x
  3. Step 3: Cross multiply
    416,059.60x = 624,703.80 × 322,670.80
  4. Step 4: Simplify right side
    416,059.60x = 201,573,674,909.04
  5. Step 5: Solve for x
    x = 201,573,674,909.04/416,059.60
  6. Step 6: Final answer
    x = 484,482.69

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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.