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Finding the Fourth Proportional to 373,527.46, 515,415.90 and 212,364.69

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Solution

The fourth proportional to 373,527.46, 515,415.90 and 212,364.69 is: 293,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,527.46 : 515,415.90 = 212,364.69 : x
  2. Step 2: Convert to fraction form
    373,527.46/515,415.90 = 212,364.69/x
  3. Step 3: Cross multiply
    373,527.46x = 515,415.90 × 212,364.69
  4. Step 4: Simplify right side
    373,527.46x = 109,456,139,543.76
  5. Step 5: Solve for x
    x = 109,456,139,543.76/373,527.46
  6. Step 6: Final answer
    x = 293,033.72

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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.