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Finding the Fourth Proportional to 476,030.79, 714,063.20 and 160,490.43

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Solution

The fourth proportional to 476,030.79, 714,063.20 and 160,490.43 is: 240,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,030.79 : 714,063.20 = 160,490.43 : x
  2. Step 2: Convert to fraction form
    476,030.79/714,063.20 = 160,490.43/x
  3. Step 3: Cross multiply
    476,030.79x = 714,063.20 × 160,490.43
  4. Step 4: Simplify right side
    476,030.79x = 114,600,309,212.72
  5. Step 5: Solve for x
    x = 114,600,309,212.72/476,030.79
  6. Step 6: Final answer
    x = 240,741.38

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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.