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Finding the Fourth Proportional to 292,002.40, 438,003.60 and 167,240.80

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Solution

The fourth proportional to 292,002.40, 438,003.60 and 167,240.80 is: 250,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,002.40 : 438,003.60 = 167,240.80 : x
  2. Step 2: Convert to fraction form
    292,002.40/438,003.60 = 167,240.80/x
  3. Step 3: Cross multiply
    292,002.40x = 438,003.60 × 167,240.80
  4. Step 4: Simplify right side
    292,002.40x = 73,252,072,466.88
  5. Step 5: Solve for x
    x = 73,252,072,466.88/292,002.40
  6. Step 6: Final answer
    x = 250,861.20

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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.