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Finding the Fourth Proportional to 622,994.39, 859,732.77 and 336,514.70

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Solution

The fourth proportional to 622,994.39, 859,732.77 and 336,514.70 is: 464,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,994.39 : 859,732.77 = 336,514.70 : x
  2. Step 2: Convert to fraction form
    622,994.39/859,732.77 = 336,514.70/x
  3. Step 3: Cross multiply
    622,994.39x = 859,732.77 × 336,514.70
  4. Step 4: Simplify right side
    622,994.39x = 289,312,710,878.06
  5. Step 5: Solve for x
    x = 289,312,710,878.06/622,994.39
  6. Step 6: Final answer
    x = 464,390.56

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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.