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Finding the Fourth Proportional to 438,326.63, 604,890.74 and 237,122.63

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Solution

The fourth proportional to 438,326.63, 604,890.74 and 237,122.63 is: 327,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,326.63 : 604,890.74 = 237,122.63 : x
  2. Step 2: Convert to fraction form
    438,326.63/604,890.74 = 237,122.63/x
  3. Step 3: Cross multiply
    438,326.63x = 604,890.74 × 237,122.63
  4. Step 4: Simplify right side
    438,326.63x = 143,433,280,699.80
  5. Step 5: Solve for x
    x = 143,433,280,699.80/438,326.63
  6. Step 6: Final answer
    x = 327,229.22

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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.