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Finding the Fourth Proportional to 549,308.56, 758,110.52 and 307,544.42

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Solution

The fourth proportional to 549,308.56, 758,110.52 and 307,544.42 is: 424,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,308.56 : 758,110.52 = 307,544.42 : x
  2. Step 2: Convert to fraction form
    549,308.56/758,110.52 = 307,544.42/x
  3. Step 3: Cross multiply
    549,308.56x = 758,110.52 × 307,544.42
  4. Step 4: Simplify right side
    549,308.56x = 233,152,660,169.30
  5. Step 5: Solve for x
    x = 233,152,660,169.30/549,308.56
  6. Step 6: Final answer
    x = 424,447.53

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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.