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Finding the Fourth Proportional to 488,602.10, 732,903.15 and 173,090.90

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Solution

The fourth proportional to 488,602.10, 732,903.15 and 173,090.90 is: 259,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,602.10 : 732,903.15 = 173,090.90 : x
  2. Step 2: Convert to fraction form
    488,602.10/732,903.15 = 173,090.90/x
  3. Step 3: Cross multiply
    488,602.10x = 732,903.15 × 173,090.90
  4. Step 4: Simplify right side
    488,602.10x = 126,858,865,846.34
  5. Step 5: Solve for x
    x = 126,858,865,846.34/488,602.10
  6. Step 6: Final answer
    x = 259,636.35

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Similar ratio
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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.