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Finding the Fourth Proportional to 326,125.60, 488,583.60 and 185,466.40

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Solution

The fourth proportional to 326,125.60, 488,583.60 and 185,466.40 is: 277,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,125.60 : 488,583.60 = 185,466.40 : x
  2. Step 2: Convert to fraction form
    326,125.60/488,583.60 = 185,466.40/x
  3. Step 3: Cross multiply
    326,125.60x = 488,583.60 × 185,466.40
  4. Step 4: Simplify right side
    326,125.60x = 90,615,841,391.04
  5. Step 5: Solve for x
    x = 90,615,841,391.04/326,125.60
  6. Step 6: Final answer
    x = 277,855.65

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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.