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Finding the Fourth Proportional to 328,555.85, 453,396.89 and 185,313.83

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Solution

The fourth proportional to 328,555.85, 453,396.89 and 185,313.83 is: 255,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,555.85 : 453,396.89 = 185,313.83 : x
  2. Step 2: Convert to fraction form
    328,555.85/453,396.89 = 185,313.83/x
  3. Step 3: Cross multiply
    328,555.85x = 453,396.89 × 185,313.83
  4. Step 4: Simplify right side
    328,555.85x = 84,020,712,392.29
  5. Step 5: Solve for x
    x = 84,020,712,392.29/328,555.85
  6. Step 6: Final answer
    x = 255,727.34

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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.