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Finding the Fourth Proportional to 544,374.90, 751,194.62 and 302,642.75

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Solution

The fourth proportional to 544,374.90, 751,194.62 and 302,642.75 is: 417,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,374.90 : 751,194.62 = 302,642.75 : x
  2. Step 2: Convert to fraction form
    544,374.90/751,194.62 = 302,642.75/x
  3. Step 3: Cross multiply
    544,374.90x = 751,194.62 × 302,642.75
  4. Step 4: Simplify right side
    544,374.90x = 227,343,605,582.01
  5. Step 5: Solve for x
    x = 227,343,605,582.01/544,374.90
  6. Step 6: Final answer
    x = 417,623.23

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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.