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Finding the Fourth Proportional to 495,225.60, 743,032.80 and 195,655.20

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Solution

The fourth proportional to 495,225.60, 743,032.80 and 195,655.20 is: 293,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,225.60 : 743,032.80 = 195,655.20 : x
  2. Step 2: Convert to fraction form
    495,225.60/743,032.80 = 195,655.20/x
  3. Step 3: Cross multiply
    495,225.60x = 743,032.80 × 195,655.20
  4. Step 4: Simplify right side
    495,225.60x = 145,378,231,090.56
  5. Step 5: Solve for x
    x = 145,378,231,090.56/495,225.60
  6. Step 6: Final answer
    x = 293,559.60

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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.