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Finding the Fourth Proportional to 691,997.62, 954,953.65 and 374,045.62

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Solution

The fourth proportional to 691,997.62, 954,953.65 and 374,045.62 is: 516,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,997.62 : 954,953.65 = 374,045.62 : x
  2. Step 2: Convert to fraction form
    691,997.62/954,953.65 = 374,045.62/x
  3. Step 3: Cross multiply
    691,997.62x = 954,953.65 × 374,045.62
  4. Step 4: Simplify right side
    691,997.62x = 357,196,230,085.51
  5. Step 5: Solve for x
    x = 357,196,230,085.51/691,997.62
  6. Step 6: Final answer
    x = 516,181.30

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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.