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Finding the Fourth Proportional to 675,005.50, 931,527.03 and 373,218.94

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Solution

The fourth proportional to 675,005.50, 931,527.03 and 373,218.94 is: 515,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,005.50 : 931,527.03 = 373,218.94 : x
  2. Step 2: Convert to fraction form
    675,005.50/931,527.03 = 373,218.94/x
  3. Step 3: Cross multiply
    675,005.50x = 931,527.03 × 373,218.94
  4. Step 4: Simplify right side
    675,005.50x = 347,663,530,717.95
  5. Step 5: Solve for x
    x = 347,663,530,717.95/675,005.50
  6. Step 6: Final answer
    x = 515,052.89

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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.