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Finding the Fourth Proportional to 370,062.93, 510,527.61 and 217,147.89

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Solution

The fourth proportional to 370,062.93, 510,527.61 and 217,147.89 is: 299,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,062.93 : 510,527.61 = 217,147.89 : x
  2. Step 2: Convert to fraction form
    370,062.93/510,527.61 = 217,147.89/x
  3. Step 3: Cross multiply
    370,062.93x = 510,527.61 × 217,147.89
  4. Step 4: Simplify right side
    370,062.93x = 110,859,993,298.24
  5. Step 5: Solve for x
    x = 110,859,993,298.24/370,062.93
  6. Step 6: Final answer
    x = 299,570.65

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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.