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Finding the Fourth Proportional to 549,851.64, 758,759.34 and 323,453.40

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Solution

The fourth proportional to 549,851.64, 758,759.34 and 323,453.40 is: 446,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,851.64 : 758,759.34 = 323,453.40 : x
  2. Step 2: Convert to fraction form
    549,851.64/758,759.34 = 323,453.40/x
  3. Step 3: Cross multiply
    549,851.64x = 758,759.34 × 323,453.40
  4. Step 4: Simplify right side
    549,851.64x = 245,423,288,304.76
  5. Step 5: Solve for x
    x = 245,423,288,304.76/549,851.64
  6. Step 6: Final answer
    x = 446,344.56

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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.