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Finding the Fourth Proportional to 473,619.30, 710,412.57 and 118,636.38

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Solution

The fourth proportional to 473,619.30, 710,412.57 and 118,636.38 is: 177,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,619.30 : 710,412.57 = 118,636.38 : x
  2. Step 2: Convert to fraction form
    473,619.30/710,412.57 = 118,636.38/x
  3. Step 3: Cross multiply
    473,619.30x = 710,412.57 × 118,636.38
  4. Step 4: Simplify right side
    473,619.30x = 84,280,775,611.30
  5. Step 5: Solve for x
    x = 84,280,775,611.30/473,619.30
  6. Step 6: Final answer
    x = 177,950.47

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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.