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Finding the Fourth Proportional to 565,185, 779,609.16 and 335,586.36

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Solution

The fourth proportional to 565,185, 779,609.16 and 335,586.36 is: 462,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,185 : 779,609.16 = 335,586.36 : x
  2. Step 2: Convert to fraction form
    565,185/779,609.16 = 335,586.36/x
  3. Step 3: Cross multiply
    565,185x = 779,609.16 × 335,586.36
  4. Step 4: Simplify right side
    565,185x = 261,626,200,227.06
  5. Step 5: Solve for x
    x = 261,626,200,227.06/565,185
  6. Step 6: Final answer
    x = 462,903.65

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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.