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Finding the Fourth Proportional to 580,051.77, 870,110.90 and 153,576.51

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Solution

The fourth proportional to 580,051.77, 870,110.90 and 153,576.51 is: 230,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,051.77 : 870,110.90 = 153,576.51 : x
  2. Step 2: Convert to fraction form
    580,051.77/870,110.90 = 153,576.51/x
  3. Step 3: Cross multiply
    580,051.77x = 870,110.90 × 153,576.51
  4. Step 4: Simplify right side
    580,051.77x = 133,628,594,567.08
  5. Step 5: Solve for x
    x = 133,628,594,567.08/580,051.77
  6. Step 6: Final answer
    x = 230,373.57

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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.