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Finding the Fourth Proportional to 416,487.94, 624,259.64 and 191,383.24

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Solution

The fourth proportional to 416,487.94, 624,259.64 and 191,383.24 is: 286,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,487.94 : 624,259.64 = 191,383.24 : x
  2. Step 2: Convert to fraction form
    416,487.94/624,259.64 = 191,383.24/x
  3. Step 3: Cross multiply
    416,487.94x = 624,259.64 × 191,383.24
  4. Step 4: Simplify right side
    416,487.94x = 119,472,828,613.47
  5. Step 5: Solve for x
    x = 119,472,828,613.47/416,487.94
  6. Step 6: Final answer
    x = 286,857.83

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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.