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Finding the Fourth Proportional to 344,152, 516,247.44 and 122,536

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Solution

The fourth proportional to 344,152, 516,247.44 and 122,536 is: 183,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,152 : 516,247.44 = 122,536 : x
  2. Step 2: Convert to fraction form
    344,152/516,247.44 = 122,536/x
  3. Step 3: Cross multiply
    344,152x = 516,247.44 × 122,536
  4. Step 4: Simplify right side
    344,152x = 63,258,896,307.84
  5. Step 5: Solve for x
    x = 63,258,896,307.84/344,152
  6. Step 6: Final answer
    x = 183,810.92

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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.