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Finding the Fourth Proportional to 621,303.68, 931,801.32 and 266,277.44

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Solution

The fourth proportional to 621,303.68, 931,801.32 and 266,277.44 is: 399,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,303.68 : 931,801.32 = 266,277.44 : x
  2. Step 2: Convert to fraction form
    621,303.68/931,801.32 = 266,277.44/x
  3. Step 3: Cross multiply
    621,303.68x = 931,801.32 × 266,277.44
  4. Step 4: Simplify right side
    621,303.68x = 248,117,670,078.22
  5. Step 5: Solve for x
    x = 248,117,670,078.22/621,303.68
  6. Step 6: Final answer
    x = 399,350.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.