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Finding the Fourth Proportional to 671,754.48, 927,021.17 and 369,948.48

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Solution

The fourth proportional to 671,754.48, 927,021.17 and 369,948.48 is: 510,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,754.48 : 927,021.17 = 369,948.48 : x
  2. Step 2: Convert to fraction form
    671,754.48/927,021.17 = 369,948.48/x
  3. Step 3: Cross multiply
    671,754.48x = 927,021.17 × 369,948.48
  4. Step 4: Simplify right side
    671,754.48x = 342,950,070,919.58
  5. Step 5: Solve for x
    x = 342,950,070,919.58/671,754.48
  6. Step 6: Final answer
    x = 510,528.89

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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.