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Finding the Fourth Proportional to 418,312.58, 577,269.77 and 237,059.01

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Solution

The fourth proportional to 418,312.58, 577,269.77 and 237,059.01 is: 327,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,312.58 : 577,269.77 = 237,059.01 : x
  2. Step 2: Convert to fraction form
    418,312.58/577,269.77 = 237,059.01/x
  3. Step 3: Cross multiply
    418,312.58x = 577,269.77 × 237,059.01
  4. Step 4: Simplify right side
    418,312.58x = 136,846,998,993.83
  5. Step 5: Solve for x
    x = 136,846,998,993.83/418,312.58
  6. Step 6: Final answer
    x = 327,140.53

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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.