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Finding the Fourth Proportional to 508,926.68, 763,601.34 and 256,072.16

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Solution

The fourth proportional to 508,926.68, 763,601.34 and 256,072.16 is: 384,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,926.68 : 763,601.34 = 256,072.16 : x
  2. Step 2: Convert to fraction form
    508,926.68/763,601.34 = 256,072.16/x
  3. Step 3: Cross multiply
    508,926.68x = 763,601.34 × 256,072.16
  4. Step 4: Simplify right side
    508,926.68x = 195,537,044,512.69
  5. Step 5: Solve for x
    x = 195,537,044,512.69/508,926.68
  6. Step 6: Final answer
    x = 384,214.57

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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.