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Finding the Fourth Proportional to 572,683.33, 790,698.41 and 357,919.93

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Solution

The fourth proportional to 572,683.33, 790,698.41 and 357,919.93 is: 494,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,683.33 : 790,698.41 = 357,919.93 : x
  2. Step 2: Convert to fraction form
    572,683.33/790,698.41 = 357,919.93/x
  3. Step 3: Cross multiply
    572,683.33x = 790,698.41 × 357,919.93
  4. Step 4: Simplify right side
    572,683.33x = 283,006,717,768.71
  5. Step 5: Solve for x
    x = 283,006,717,768.71/572,683.33
  6. Step 6: Final answer
    x = 494,176.63

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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.