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Finding the Fourth Proportional to 484,840.46, 669,126.35 and 269,980.47

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Solution

The fourth proportional to 484,840.46, 669,126.35 and 269,980.47 is: 372,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,840.46 : 669,126.35 = 269,980.47 : x
  2. Step 2: Convert to fraction form
    484,840.46/669,126.35 = 269,980.47/x
  3. Step 3: Cross multiply
    484,840.46x = 669,126.35 × 269,980.47
  4. Step 4: Simplify right side
    484,840.46x = 180,651,046,462.38
  5. Step 5: Solve for x
    x = 180,651,046,462.38/484,840.46
  6. Step 6: Final answer
    x = 372,598.95

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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.