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Finding the Fourth Proportional to 444,698.92, 613,779.78 and 283,516.84

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Solution

The fourth proportional to 444,698.92, 613,779.78 and 283,516.84 is: 391,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,698.92 : 613,779.78 = 283,516.84 : x
  2. Step 2: Convert to fraction form
    444,698.92/613,779.78 = 283,516.84/x
  3. Step 3: Cross multiply
    444,698.92x = 613,779.78 × 283,516.84
  4. Step 4: Simplify right side
    444,698.92x = 174,016,903,681.50
  5. Step 5: Solve for x
    x = 174,016,903,681.50/444,698.92
  6. Step 6: Final answer
    x = 391,313.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.