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Finding the Fourth Proportional to 488,365.60, 732,548.40 and 368,615.20

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Solution

The fourth proportional to 488,365.60, 732,548.40 and 368,615.20 is: 552,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,365.60 : 732,548.40 = 368,615.20 : x
  2. Step 2: Convert to fraction form
    488,365.60/732,548.40 = 368,615.20/x
  3. Step 3: Cross multiply
    488,365.60x = 732,548.40 × 368,615.20
  4. Step 4: Simplify right side
    488,365.60x = 270,028,474,975.68
  5. Step 5: Solve for x
    x = 270,028,474,975.68/488,365.60
  6. Step 6: Final answer
    x = 552,922.80

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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.