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Finding the Fourth Proportional to 366,278.40, 549,415.68 and 116,954.88

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Solution

The fourth proportional to 366,278.40, 549,415.68 and 116,954.88 is: 175,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,278.40 : 549,415.68 = 116,954.88 : x
  2. Step 2: Convert to fraction form
    366,278.40/549,415.68 = 116,954.88/x
  3. Step 3: Cross multiply
    366,278.40x = 549,415.68 × 116,954.88
  4. Step 4: Simplify right side
    366,278.40x = 64,256,844,924.52
  5. Step 5: Solve for x
    x = 64,256,844,924.52/366,278.40
  6. Step 6: Final answer
    x = 175,431.71

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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.