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Finding the Fourth Proportional to 616,683.88, 851,030.08 and 344,766.88

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Solution

The fourth proportional to 616,683.88, 851,030.08 and 344,766.88 is: 475,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,683.88 : 851,030.08 = 344,766.88 : x
  2. Step 2: Convert to fraction form
    616,683.88/851,030.08 = 344,766.88/x
  3. Step 3: Cross multiply
    616,683.88x = 851,030.08 × 344,766.88
  4. Step 4: Simplify right side
    616,683.88x = 293,406,985,467.75
  5. Step 5: Solve for x
    x = 293,406,985,467.75/616,683.88
  6. Step 6: Final answer
    x = 475,781.83

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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.