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Finding the Fourth Proportional to 488,554.90, 732,832.35 and 133,604.80

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Solution

The fourth proportional to 488,554.90, 732,832.35 and 133,604.80 is: 200,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,554.90 : 732,832.35 = 133,604.80 : x
  2. Step 2: Convert to fraction form
    488,554.90/732,832.35 = 133,604.80/x
  3. Step 3: Cross multiply
    488,554.90x = 732,832.35 × 133,604.80
  4. Step 4: Simplify right side
    488,554.90x = 97,909,919,555.28
  5. Step 5: Solve for x
    x = 97,909,919,555.28/488,554.90
  6. Step 6: Final answer
    x = 200,407.20

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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.