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Finding the Fourth Proportional to 549,268.70, 757,924.44 and 307,532.30

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Solution

The fourth proportional to 549,268.70, 757,924.44 and 307,532.30 is: 424,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,268.70 : 757,924.44 = 307,532.30 : x
  2. Step 2: Convert to fraction form
    549,268.70/757,924.44 = 307,532.30/x
  3. Step 3: Cross multiply
    549,268.70x = 757,924.44 × 307,532.30
  4. Step 4: Simplify right side
    549,268.70x = 233,086,246,259.41
  5. Step 5: Solve for x
    x = 233,086,246,259.41/549,268.70
  6. Step 6: Final answer
    x = 424,357.42

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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.