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Finding the Fourth Proportional to 367,257.61, 506,684.21 and 231,300.02

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Solution

The fourth proportional to 367,257.61, 506,684.21 and 231,300.02 is: 319,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,257.61 : 506,684.21 = 231,300.02 : x
  2. Step 2: Convert to fraction form
    367,257.61/506,684.21 = 231,300.02/x
  3. Step 3: Cross multiply
    367,257.61x = 506,684.21 × 231,300.02
  4. Step 4: Simplify right side
    367,257.61x = 117,196,069,317.96
  5. Step 5: Solve for x
    x = 117,196,069,317.96/367,257.61
  6. Step 6: Final answer
    x = 319,111.34

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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.