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Finding the Fourth Proportional to 270,820.54, 373,774.53 and 154,534.24

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Solution

The fourth proportional to 270,820.54, 373,774.53 and 154,534.24 is: 213,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,820.54 : 373,774.53 = 154,534.24 : x
  2. Step 2: Convert to fraction form
    270,820.54/373,774.53 = 154,534.24/x
  3. Step 3: Cross multiply
    270,820.54x = 373,774.53 × 154,534.24
  4. Step 4: Simplify right side
    270,820.54x = 57,760,962,924.91
  5. Step 5: Solve for x
    x = 57,760,962,924.91/270,820.54
  6. Step 6: Final answer
    x = 213,281.32

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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.