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Finding the Fourth Proportional to 469,762.62, 705,956.15 and 439,516.41

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Solution

The fourth proportional to 469,762.62, 705,956.15 and 439,516.41 is: 660,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,762.62 : 705,956.15 = 439,516.41 : x
  2. Step 2: Convert to fraction form
    469,762.62/705,956.15 = 439,516.41/x
  3. Step 3: Cross multiply
    469,762.62x = 705,956.15 × 439,516.41
  4. Step 4: Simplify right side
    469,762.62x = 310,279,312,665.42
  5. Step 5: Solve for x
    x = 310,279,312,665.42/469,762.62
  6. Step 6: Final answer
    x = 660,502.35

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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.