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Finding the Fourth Proportional to 431,086.98, 594,855.36 and 265,488.74

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Solution

The fourth proportional to 431,086.98, 594,855.36 and 265,488.74 is: 366,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,086.98 : 594,855.36 = 265,488.74 : x
  2. Step 2: Convert to fraction form
    431,086.98/594,855.36 = 265,488.74/x
  3. Step 3: Cross multiply
    431,086.98x = 594,855.36 × 265,488.74
  4. Step 4: Simplify right side
    431,086.98x = 157,927,397,034.37
  5. Step 5: Solve for x
    x = 157,927,397,034.37/431,086.98
  6. Step 6: Final answer
    x = 366,346.94

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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.