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Finding the Fourth Proportional to 616,875.69, 925,331.76 and 167,594.21

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Solution

The fourth proportional to 616,875.69, 925,331.76 and 167,594.21 is: 251,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,875.69 : 925,331.76 = 167,594.21 : x
  2. Step 2: Convert to fraction form
    616,875.69/925,331.76 = 167,594.21/x
  3. Step 3: Cross multiply
    616,875.69x = 925,331.76 × 167,594.21
  4. Step 4: Simplify right side
    616,875.69x = 155,080,240,678.45
  5. Step 5: Solve for x
    x = 155,080,240,678.45/616,875.69
  6. Step 6: Final answer
    x = 251,396.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.