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Finding the Fourth Proportional to 504,397.76, 696,118 and 376,851.92

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Solution

The fourth proportional to 504,397.76, 696,118 and 376,851.92 is: 520,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,397.76 : 696,118 = 376,851.92 : x
  2. Step 2: Convert to fraction form
    504,397.76/696,118 = 376,851.92/x
  3. Step 3: Cross multiply
    504,397.76x = 696,118 × 376,851.92
  4. Step 4: Simplify right side
    504,397.76x = 262,333,404,846.56
  5. Step 5: Solve for x
    x = 262,333,404,846.56/504,397.76
  6. Step 6: Final answer
    x = 520,092.33

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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.