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Finding the Fourth Proportional to 610,987.32, 843,106.62 and 362,586.51

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Solution

The fourth proportional to 610,987.32, 843,106.62 and 362,586.51 is: 500,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,987.32 : 843,106.62 = 362,586.51 : x
  2. Step 2: Convert to fraction form
    610,987.32/843,106.62 = 362,586.51/x
  3. Step 3: Cross multiply
    610,987.32x = 843,106.62 × 362,586.51
  4. Step 4: Simplify right side
    610,987.32x = 305,699,086,903.70
  5. Step 5: Solve for x
    x = 305,699,086,903.70/610,987.32
  6. Step 6: Final answer
    x = 500,336.22

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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.