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Finding the Fourth Proportional to 679,250.55, 937,367.81 and 373,358.28

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Solution

The fourth proportional to 679,250.55, 937,367.81 and 373,358.28 is: 515,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,250.55 : 937,367.81 = 373,358.28 : x
  2. Step 2: Convert to fraction form
    679,250.55/937,367.81 = 373,358.28/x
  3. Step 3: Cross multiply
    679,250.55x = 937,367.81 × 373,358.28
  4. Step 4: Simplify right side
    679,250.55x = 349,974,033,268.97
  5. Step 5: Solve for x
    x = 349,974,033,268.97/679,250.55
  6. Step 6: Final answer
    x = 515,235.55

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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.