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Finding the Fourth Proportional to 670,732.78, 925,602.06 and 364,802.56

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Solution

The fourth proportional to 670,732.78, 925,602.06 and 364,802.56 is: 503,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,732.78 : 925,602.06 = 364,802.56 : x
  2. Step 2: Convert to fraction form
    670,732.78/925,602.06 = 364,802.56/x
  3. Step 3: Cross multiply
    670,732.78x = 925,602.06 × 364,802.56
  4. Step 4: Simplify right side
    670,732.78x = 337,662,001,029.27
  5. Step 5: Solve for x
    x = 337,662,001,029.27/670,732.78
  6. Step 6: Final answer
    x = 503,422.54

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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.