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Finding the Fourth Proportional to 438,398.25, 604,989.59 and 237,194.25

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Solution

The fourth proportional to 438,398.25, 604,989.59 and 237,194.25 is: 327,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,398.25 : 604,989.59 = 237,194.25 : x
  2. Step 2: Convert to fraction form
    438,398.25/604,989.59 = 237,194.25/x
  3. Step 3: Cross multiply
    438,398.25x = 604,989.59 × 237,194.25
  4. Step 4: Simplify right side
    438,398.25x = 143,500,050,871.89
  5. Step 5: Solve for x
    x = 143,500,050,871.89/438,398.25
  6. Step 6: Final answer
    x = 327,328.07

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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.