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Finding the Fourth Proportional to 365,665.79, 548,557.12 and 112,886.86

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Solution

The fourth proportional to 365,665.79, 548,557.12 and 112,886.86 is: 169,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,665.79 : 548,557.12 = 112,886.86 : x
  2. Step 2: Convert to fraction form
    365,665.79/548,557.12 = 112,886.86/x
  3. Step 3: Cross multiply
    365,665.79x = 548,557.12 × 112,886.86
  4. Step 4: Simplify right side
    365,665.79x = 61,924,889,577.16
  5. Step 5: Solve for x
    x = 61,924,889,577.16/365,665.79
  6. Step 6: Final answer
    x = 169,348.33

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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.