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Finding the Fourth Proportional to 484,898.96, 669,158.88 and 270,041.60

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Solution

The fourth proportional to 484,898.96, 669,158.88 and 270,041.60 is: 372,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,898.96 : 669,158.88 = 270,041.60 : x
  2. Step 2: Convert to fraction form
    484,898.96/669,158.88 = 270,041.60/x
  3. Step 3: Cross multiply
    484,898.96x = 669,158.88 × 270,041.60
  4. Step 4: Simplify right side
    484,898.96x = 180,700,734,609.41
  5. Step 5: Solve for x
    x = 180,700,734,609.41/484,898.96
  6. Step 6: Final answer
    x = 372,656.47

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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.