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Finding the Fourth Proportional to 584,740.64, 806,935.76 and 342,976.80

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Solution

The fourth proportional to 584,740.64, 806,935.76 and 342,976.80 is: 473,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,740.64 : 806,935.76 = 342,976.80 : x
  2. Step 2: Convert to fraction form
    584,740.64/806,935.76 = 342,976.80/x
  3. Step 3: Cross multiply
    584,740.64x = 806,935.76 × 342,976.80
  4. Step 4: Simplify right side
    584,740.64x = 276,760,244,770.37
  5. Step 5: Solve for x
    x = 276,760,244,770.37/584,740.64
  6. Step 6: Final answer
    x = 473,304.28

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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.