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Finding the Fourth Proportional to 568,779.03, 784,910.25 and 314,124.75

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Solution

The fourth proportional to 568,779.03, 784,910.25 and 314,124.75 is: 433,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,779.03 : 784,910.25 = 314,124.75 : x
  2. Step 2: Convert to fraction form
    568,779.03/784,910.25 = 314,124.75/x
  3. Step 3: Cross multiply
    568,779.03x = 784,910.25 × 314,124.75
  4. Step 4: Simplify right side
    568,779.03x = 246,559,736,053.69
  5. Step 5: Solve for x
    x = 246,559,736,053.69/568,779.03
  6. Step 6: Final answer
    x = 433,489.50

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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.