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Finding the Fourth Proportional to 438,208.75, 604,728.12 and 237,004.75

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Solution

The fourth proportional to 438,208.75, 604,728.12 and 237,004.75 is: 327,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,208.75 : 604,728.12 = 237,004.75 : x
  2. Step 2: Convert to fraction form
    438,208.75/604,728.12 = 237,004.75/x
  3. Step 3: Cross multiply
    438,208.75x = 604,728.12 × 237,004.75
  4. Step 4: Simplify right side
    438,208.75x = 143,323,436,898.57
  5. Step 5: Solve for x
    x = 143,323,436,898.57/438,208.75
  6. Step 6: Final answer
    x = 327,066.58

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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.