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Finding the Fourth Proportional to 225,536.81, 310,530.71 and 191,477.93

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Solution

The fourth proportional to 225,536.81, 310,530.71 and 191,477.93 is: 263,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,536.81 : 310,530.71 = 191,477.93 : x
  2. Step 2: Convert to fraction form
    225,536.81/310,530.71 = 191,477.93/x
  3. Step 3: Cross multiply
    225,536.81x = 310,530.71 × 191,477.93
  4. Step 4: Simplify right side
    225,536.81x = 59,459,776,478.27
  5. Step 5: Solve for x
    x = 59,459,776,478.27/225,536.81
  6. Step 6: Final answer
    x = 263,636.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.