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Finding the Fourth Proportional to 366,066.46, 506,136.08 and 320,614.32

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Solution

The fourth proportional to 366,066.46, 506,136.08 and 320,614.32 is: 443,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,066.46 : 506,136.08 = 320,614.32 : x
  2. Step 2: Convert to fraction form
    366,066.46/506,136.08 = 320,614.32/x
  3. Step 3: Cross multiply
    366,066.46x = 506,136.08 × 320,614.32
  4. Step 4: Simplify right side
    366,066.46x = 162,274,473,165.74
  5. Step 5: Solve for x
    x = 162,274,473,165.74/366,066.46
  6. Step 6: Final answer
    x = 443,292.39

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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.