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Finding the Fourth Proportional to 467,322.57, 700,999.61 and 130,371.45

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Solution

The fourth proportional to 467,322.57, 700,999.61 and 130,371.45 is: 195,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,322.57 : 700,999.61 = 130,371.45 : x
  2. Step 2: Convert to fraction form
    467,322.57/700,999.61 = 130,371.45/x
  3. Step 3: Cross multiply
    467,322.57x = 700,999.61 × 130,371.45
  4. Step 4: Simplify right side
    467,322.57x = 91,390,334,953.28
  5. Step 5: Solve for x
    x = 91,390,334,953.28/467,322.57
  6. Step 6: Final answer
    x = 195,561.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.