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Finding the Fourth Proportional to 484,908.96, 669,126.48 and 270,069.06

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Solution

The fourth proportional to 484,908.96, 669,126.48 and 270,069.06 is: 372,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,908.96 : 669,126.48 = 270,069.06 : x
  2. Step 2: Convert to fraction form
    484,908.96/669,126.48 = 270,069.06/x
  3. Step 3: Cross multiply
    484,908.96x = 669,126.48 × 270,069.06
  4. Step 4: Simplify right side
    484,908.96x = 180,710,359,474.71
  5. Step 5: Solve for x
    x = 180,710,359,474.71/484,908.96
  6. Step 6: Final answer
    x = 372,668.63

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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.