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Finding the Fourth Proportional to 292,627.60, 439,087.20 and 166,364.80

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Solution

The fourth proportional to 292,627.60, 439,087.20 and 166,364.80 is: 249,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,627.60 : 439,087.20 = 166,364.80 : x
  2. Step 2: Convert to fraction form
    292,627.60/439,087.20 = 166,364.80/x
  3. Step 3: Cross multiply
    292,627.60x = 439,087.20 × 166,364.80
  4. Step 4: Simplify right side
    292,627.60x = 73,048,654,210.56
  5. Step 5: Solve for x
    x = 73,048,654,210.56/292,627.60
  6. Step 6: Final answer
    x = 249,630.09

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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.