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Finding the Fourth Proportional to 296,503.30, 444,812.55 and 128,023.30

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Solution

The fourth proportional to 296,503.30, 444,812.55 and 128,023.30 is: 192,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,503.30 : 444,812.55 = 128,023.30 : x
  2. Step 2: Convert to fraction form
    296,503.30/444,812.55 = 128,023.30/x
  3. Step 3: Cross multiply
    296,503.30x = 444,812.55 × 128,023.30
  4. Step 4: Simplify right side
    296,503.30x = 56,946,370,532.42
  5. Step 5: Solve for x
    x = 56,946,370,532.42/296,503.30
  6. Step 6: Final answer
    x = 192,059.82

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1.5x scale

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.