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Finding the Fourth Proportional to 337,326, 465,503.64 and 186,419.76

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Solution

The fourth proportional to 337,326, 465,503.64 and 186,419.76 is: 257,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,326 : 465,503.64 = 186,419.76 : x
  2. Step 2: Convert to fraction form
    337,326/465,503.64 = 186,419.76/x
  3. Step 3: Cross multiply
    337,326x = 465,503.64 × 186,419.76
  4. Step 4: Simplify right side
    337,326x = 86,779,076,847.93
  5. Step 5: Solve for x
    x = 86,779,076,847.93/337,326
  6. Step 6: Final answer
    x = 257,255.82

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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.