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Finding the Fourth Proportional to 418,340.79, 577,288.14 and 237,054.89

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Solution

The fourth proportional to 418,340.79, 577,288.14 and 237,054.89 is: 327,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,340.79 : 577,288.14 = 237,054.89 : x
  2. Step 2: Convert to fraction form
    418,340.79/577,288.14 = 237,054.89/x
  3. Step 3: Cross multiply
    418,340.79x = 577,288.14 × 237,054.89
  4. Step 4: Simplify right side
    418,340.79x = 136,848,973,639.56
  5. Step 5: Solve for x
    x = 136,848,973,639.56/418,340.79
  6. Step 6: Final answer
    x = 327,123.19

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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.