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Finding the Fourth Proportional to 475,241.77, 712,871.76 and 155,394.84

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Solution

The fourth proportional to 475,241.77, 712,871.76 and 155,394.84 is: 233,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,241.77 : 712,871.76 = 155,394.84 : x
  2. Step 2: Convert to fraction form
    475,241.77/712,871.76 = 155,394.84/x
  3. Step 3: Cross multiply
    475,241.77x = 712,871.76 × 155,394.84
  4. Step 4: Simplify right side
    475,241.77x = 110,776,593,085.72
  5. Step 5: Solve for x
    x = 110,776,593,085.72/475,241.77
  6. Step 6: Final answer
    x = 233,095.24

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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.