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Finding the Fourth Proportional to 365,513.58, 546,892.56 and 215,835.30

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Solution

The fourth proportional to 365,513.58, 546,892.56 and 215,835.30 is: 322,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,513.58 : 546,892.56 = 215,835.30 : x
  2. Step 2: Convert to fraction form
    365,513.58/546,892.56 = 215,835.30/x
  3. Step 3: Cross multiply
    365,513.58x = 546,892.56 × 215,835.30
  4. Step 4: Simplify right side
    365,513.58x = 118,038,719,755.37
  5. Step 5: Solve for x
    x = 118,038,719,755.37/365,513.58
  6. Step 6: Final answer
    x = 322,939.35

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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.