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Finding the Fourth Proportional to 488,556.90, 732,835.35 and 133,606.80

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Solution

The fourth proportional to 488,556.90, 732,835.35 and 133,606.80 is: 200,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,556.90 : 732,835.35 = 133,606.80 : x
  2. Step 2: Convert to fraction form
    488,556.90/732,835.35 = 133,606.80/x
  3. Step 3: Cross multiply
    488,556.90x = 732,835.35 × 133,606.80
  4. Step 4: Simplify right side
    488,556.90x = 97,911,786,040.38
  5. Step 5: Solve for x
    x = 97,911,786,040.38/488,556.90
  6. Step 6: Final answer
    x = 200,410.20

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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.