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Finding the Fourth Proportional to 434,251.83, 651,155.63 and 181,463.34

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Solution

The fourth proportional to 434,251.83, 651,155.63 and 181,463.34 is: 272,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,251.83 : 651,155.63 = 181,463.34 : x
  2. Step 2: Convert to fraction form
    434,251.83/651,155.63 = 181,463.34/x
  3. Step 3: Cross multiply
    434,251.83x = 651,155.63 × 181,463.34
  4. Step 4: Simplify right side
    434,251.83x = 118,160,871,770.17
  5. Step 5: Solve for x
    x = 118,160,871,770.17/434,251.83
  6. Step 6: Final answer
    x = 272,102.18

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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.