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Finding the Fourth Proportional to 423,558.42, 631,601.27 and 364,771.86

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Solution

The fourth proportional to 423,558.42, 631,601.27 and 364,771.86 is: 543,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,558.42 : 631,601.27 = 364,771.86 : x
  2. Step 2: Convert to fraction form
    423,558.42/631,601.27 = 364,771.86/x
  3. Step 3: Cross multiply
    423,558.42x = 631,601.27 × 364,771.86
  4. Step 4: Simplify right side
    423,558.42x = 230,390,368,212.40
  5. Step 5: Solve for x
    x = 230,390,368,212.40/423,558.42
  6. Step 6: Final answer
    x = 543,940.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.