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Finding the Fourth Proportional to 616,952.34, 851,388.30 and 345,017.16

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Solution

The fourth proportional to 616,952.34, 851,388.30 and 345,017.16 is: 476,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,952.34 : 851,388.30 = 345,017.16 : x
  2. Step 2: Convert to fraction form
    616,952.34/851,388.30 = 345,017.16/x
  3. Step 3: Cross multiply
    616,952.34x = 851,388.30 × 345,017.16
  4. Step 4: Simplify right side
    616,952.34x = 293,743,573,323.23
  5. Step 5: Solve for x
    x = 293,743,573,323.23/616,952.34
  6. Step 6: Final answer
    x = 476,120.37

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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.