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Finding the Fourth Proportional to 283,326.40, 426,026.40 and 237,707.20

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Solution

The fourth proportional to 283,326.40, 426,026.40 and 237,707.20 is: 357,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,326.40 : 426,026.40 = 237,707.20 : x
  2. Step 2: Convert to fraction form
    283,326.40/426,026.40 = 237,707.20/x
  3. Step 3: Cross multiply
    283,326.40x = 426,026.40 × 237,707.20
  4. Step 4: Simplify right side
    283,326.40x = 101,269,542,670.08
  5. Step 5: Solve for x
    x = 101,269,542,670.08/283,326.40
  6. Step 6: Final answer
    x = 357,430.66

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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.