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Finding the Fourth Proportional to 294,984.64, 442,428 and 126,532

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Solution

The fourth proportional to 294,984.64, 442,428 and 126,532 is: 189,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,984.64 : 442,428 = 126,532 : x
  2. Step 2: Convert to fraction form
    294,984.64/442,428 = 126,532/x
  3. Step 3: Cross multiply
    294,984.64x = 442,428 × 126,532
  4. Step 4: Simplify right side
    294,984.64x = 55,981,299,696
  5. Step 5: Solve for x
    x = 55,981,299,696/294,984.64
  6. Step 6: Final answer
    x = 189,777.00

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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.