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Finding the Fourth Proportional to 484,598.32, 668,730.80 and 269,732.86

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Solution

The fourth proportional to 484,598.32, 668,730.80 and 269,732.86 is: 372,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,598.32 : 668,730.80 = 269,732.86 : x
  2. Step 2: Convert to fraction form
    484,598.32/668,730.80 = 269,732.86/x
  3. Step 3: Cross multiply
    484,598.32x = 668,730.80 × 269,732.86
  4. Step 4: Simplify right side
    484,598.32x = 180,378,669,905.42
  5. Step 5: Solve for x
    x = 180,378,669,905.42/484,598.32
  6. Step 6: Final answer
    x = 372,223.06

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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.