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Finding the Fourth Proportional to 671,387.37, 926,526.39 and 365,472.55

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Solution

The fourth proportional to 671,387.37, 926,526.39 and 365,472.55 is: 504,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,387.37 : 926,526.39 = 365,472.55 : x
  2. Step 2: Convert to fraction form
    671,387.37/926,526.39 = 365,472.55/x
  3. Step 3: Cross multiply
    671,387.37x = 926,526.39 × 365,472.55
  4. Step 4: Simplify right side
    671,387.37x = 338,619,962,395.60
  5. Step 5: Solve for x
    x = 338,619,962,395.60/671,387.37
  6. Step 6: Final answer
    x = 504,358.55

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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.