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Finding the Fourth Proportional to 357,506.88, 493,527.36 and 206,574.72

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Solution

The fourth proportional to 357,506.88, 493,527.36 and 206,574.72 is: 285,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,506.88 : 493,527.36 = 206,574.72 : x
  2. Step 2: Convert to fraction form
    357,506.88/493,527.36 = 206,574.72/x
  3. Step 3: Cross multiply
    357,506.88x = 493,527.36 × 206,574.72
  4. Step 4: Simplify right side
    357,506.88x = 101,950,276,204.34
  5. Step 5: Solve for x
    x = 101,950,276,204.34/357,506.88
  6. Step 6: Final answer
    x = 285,170.11

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1.5x scale

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.