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Finding the Fourth Proportional to 676,484.17, 933,514.97 and 370,561.90

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Solution

The fourth proportional to 676,484.17, 933,514.97 and 370,561.90 is: 511,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,484.17 : 933,514.97 = 370,561.90 : x
  2. Step 2: Convert to fraction form
    676,484.17/933,514.97 = 370,561.90/x
  3. Step 3: Cross multiply
    676,484.17x = 933,514.97 × 370,561.90
  4. Step 4: Simplify right side
    676,484.17x = 345,925,080,961.64
  5. Step 5: Solve for x
    x = 345,925,080,961.64/676,484.17
  6. Step 6: Final answer
    x = 511,357.24

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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.