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Finding the Fourth Proportional to 562,176.60, 841,913.76 and 321,561.12

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Solution

The fourth proportional to 562,176.60, 841,913.76 and 321,561.12 is: 481,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,176.60 : 841,913.76 = 321,561.12 : x
  2. Step 2: Convert to fraction form
    562,176.60/841,913.76 = 321,561.12/x
  3. Step 3: Cross multiply
    562,176.60x = 841,913.76 × 321,561.12
  4. Step 4: Simplify right side
    562,176.60x = 270,726,731,609.01
  5. Step 5: Solve for x
    x = 270,726,731,609.01/562,176.60
  6. Step 6: Final answer
    x = 481,568.84

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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.