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Finding the Fourth Proportional to 438,225, 604,750.56 and 237,021

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Solution

The fourth proportional to 438,225, 604,750.56 and 237,021 is: 327,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,225 : 604,750.56 = 237,021 : x
  2. Step 2: Convert to fraction form
    438,225/604,750.56 = 237,021/x
  3. Step 3: Cross multiply
    438,225x = 604,750.56 × 237,021
  4. Step 4: Simplify right side
    438,225x = 143,338,582,481.76
  5. Step 5: Solve for x
    x = 143,338,582,481.76/438,225
  6. Step 6: Final answer
    x = 327,089.01

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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.