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Finding the Fourth Proportional to 292,285.90, 438,428.85 and 167,524.30

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Solution

The fourth proportional to 292,285.90, 438,428.85 and 167,524.30 is: 251,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,285.90 : 438,428.85 = 167,524.30 : x
  2. Step 2: Convert to fraction form
    292,285.90/438,428.85 = 167,524.30/x
  3. Step 3: Cross multiply
    292,285.90x = 438,428.85 × 167,524.30
  4. Step 4: Simplify right side
    292,285.90x = 73,447,486,196.06
  5. Step 5: Solve for x
    x = 73,447,486,196.06/292,285.90
  6. Step 6: Final answer
    x = 251,286.45

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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.