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Finding the Fourth Proportional to 580,047.51, 870,071.33 and 180,720.48

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Solution

The fourth proportional to 580,047.51, 870,071.33 and 180,720.48 is: 271,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,047.51 : 870,071.33 = 180,720.48 : x
  2. Step 2: Convert to fraction form
    580,047.51/870,071.33 = 180,720.48/x
  3. Step 3: Cross multiply
    580,047.51x = 870,071.33 × 180,720.48
  4. Step 4: Simplify right side
    580,047.51x = 157,239,708,391.84
  5. Step 5: Solve for x
    x = 157,239,708,391.84/580,047.51
  6. Step 6: Final answer
    x = 271,080.74

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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.