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Finding the Fourth Proportional to 375,133.07, 517,683.64 and 205,367.19

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Solution

The fourth proportional to 375,133.07, 517,683.64 and 205,367.19 is: 283,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,133.07 : 517,683.64 = 205,367.19 : x
  2. Step 2: Convert to fraction form
    375,133.07/517,683.64 = 205,367.19/x
  3. Step 3: Cross multiply
    375,133.07x = 517,683.64 × 205,367.19
  4. Step 4: Simplify right side
    375,133.07x = 106,315,234,455.77
  5. Step 5: Solve for x
    x = 106,315,234,455.77/375,133.07
  6. Step 6: Final answer
    x = 283,406.73

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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.