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Finding the Fourth Proportional to 584,768.16, 806,986.67 and 343,054.85

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Solution

The fourth proportional to 584,768.16, 806,986.67 and 343,054.85 is: 473,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,768.16 : 806,986.67 = 343,054.85 : x
  2. Step 2: Convert to fraction form
    584,768.16/806,986.67 = 343,054.85/x
  3. Step 3: Cross multiply
    584,768.16x = 806,986.67 × 343,054.85
  4. Step 4: Simplify right side
    584,768.16x = 276,840,685,278.64
  5. Step 5: Solve for x
    x = 276,840,685,278.64/584,768.16
  6. Step 6: Final answer
    x = 473,419.56

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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.