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Finding the Fourth Proportional to 226,940.40, 340,410.60 and 152,290.80

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Solution

The fourth proportional to 226,940.40, 340,410.60 and 152,290.80 is: 228,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,940.40 : 340,410.60 = 152,290.80 : x
  2. Step 2: Convert to fraction form
    226,940.40/340,410.60 = 152,290.80/x
  3. Step 3: Cross multiply
    226,940.40x = 340,410.60 × 152,290.80
  4. Step 4: Simplify right side
    226,940.40x = 51,841,402,602.48
  5. Step 5: Solve for x
    x = 51,841,402,602.48/226,940.40
  6. Step 6: Final answer
    x = 228,436.20

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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.