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Finding the Fourth Proportional to 328,957.80, 493,633.53 and 302,188.92

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Solution

The fourth proportional to 328,957.80, 493,633.53 and 302,188.92 is: 453,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,957.80 : 493,633.53 = 302,188.92 : x
  2. Step 2: Convert to fraction form
    328,957.80/493,633.53 = 302,188.92/x
  3. Step 3: Cross multiply
    328,957.80x = 493,633.53 × 302,188.92
  4. Step 4: Simplify right side
    328,957.80x = 149,170,583,306.49
  5. Step 5: Solve for x
    x = 149,170,583,306.49/328,957.80
  6. Step 6: Final answer
    x = 453,464.19

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1.5x scale

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.