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Finding the Fourth Proportional to 474,669.79, 712,012.01 and 154,820.30

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Solution

The fourth proportional to 474,669.79, 712,012.01 and 154,820.30 is: 232,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,669.79 : 712,012.01 = 154,820.30 : x
  2. Step 2: Convert to fraction form
    474,669.79/712,012.01 = 154,820.30/x
  3. Step 3: Cross multiply
    474,669.79x = 712,012.01 × 154,820.30
  4. Step 4: Simplify right side
    474,669.79x = 110,233,908,657.64
  5. Step 5: Solve for x
    x = 110,233,908,657.64/474,669.79
  6. Step 6: Final answer
    x = 232,232.83

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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.