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Finding the Fourth Proportional to 695,478.65, 960,089.26 and 466,185.74

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Solution

The fourth proportional to 695,478.65, 960,089.26 and 466,185.74 is: 643,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,478.65 : 960,089.26 = 466,185.74 : x
  2. Step 2: Convert to fraction form
    695,478.65/960,089.26 = 466,185.74/x
  3. Step 3: Cross multiply
    695,478.65x = 960,089.26 × 466,185.74
  4. Step 4: Simplify right side
    695,478.65x = 447,579,922,139.15
  5. Step 5: Solve for x
    x = 447,579,922,139.15/695,478.65
  6. Step 6: Final answer
    x = 643,556.67

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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.