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Finding the Fourth Proportional to 213,558.84, 294,347.28 and 195,459.32

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Solution

The fourth proportional to 213,558.84, 294,347.28 and 195,459.32 is: 269,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,558.84 : 294,347.28 = 195,459.32 : x
  2. Step 2: Convert to fraction form
    213,558.84/294,347.28 = 195,459.32/x
  3. Step 3: Cross multiply
    213,558.84x = 294,347.28 × 195,459.32
  4. Step 4: Simplify right side
    213,558.84x = 57,532,919,192.65
  5. Step 5: Solve for x
    x = 57,532,919,192.65/213,558.84
  6. Step 6: Final answer
    x = 269,400.79

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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.