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Finding the Fourth Proportional to 366,837.20, 549,334.20 and 293,109.20

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Solution

The fourth proportional to 366,837.20, 549,334.20 and 293,109.20 is: 438,927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,837.20 : 549,334.20 = 293,109.20 : x
  2. Step 2: Convert to fraction form
    366,837.20/549,334.20 = 293,109.20/x
  3. Step 3: Cross multiply
    366,837.20x = 549,334.20 × 293,109.20
  4. Step 4: Simplify right side
    366,837.20x = 161,014,907,894.64
  5. Step 5: Solve for x
    x = 161,014,907,894.64/366,837.20
  6. Step 6: Final answer
    x = 438,927.43

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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.