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Finding the Fourth Proportional to 488,511.81, 732,814.16 and 151,556.13

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Solution

The fourth proportional to 488,511.81, 732,814.16 and 151,556.13 is: 227,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,511.81 : 732,814.16 = 151,556.13 : x
  2. Step 2: Convert to fraction form
    488,511.81/732,814.16 = 151,556.13/x
  3. Step 3: Cross multiply
    488,511.81x = 732,814.16 × 151,556.13
  4. Step 4: Simplify right side
    488,511.81x = 111,062,477,341.02
  5. Step 5: Solve for x
    x = 111,062,477,341.02/488,511.81
  6. Step 6: Final answer
    x = 227,348.60

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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.