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Finding the Fourth Proportional to 695,886.17, 960,274.38 and 385,785.68

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Solution

The fourth proportional to 695,886.17, 960,274.38 and 385,785.68 is: 532,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,886.17 : 960,274.38 = 385,785.68 : x
  2. Step 2: Convert to fraction form
    695,886.17/960,274.38 = 385,785.68/x
  3. Step 3: Cross multiply
    695,886.17x = 960,274.38 × 385,785.68
  4. Step 4: Simplify right side
    695,886.17x = 370,460,099,873.51
  5. Step 5: Solve for x
    x = 370,460,099,873.51/695,886.17
  6. Step 6: Final answer
    x = 532,357.33

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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.