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Finding the Fourth Proportional to 488,423.48, 732,740.44 and 151,457.36

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Solution

The fourth proportional to 488,423.48, 732,740.44 and 151,457.36 is: 227,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,423.48 : 732,740.44 = 151,457.36 : x
  2. Step 2: Convert to fraction form
    488,423.48/732,740.44 = 151,457.36/x
  3. Step 3: Cross multiply
    488,423.48x = 732,740.44 × 151,457.36
  4. Step 4: Simplify right side
    488,423.48x = 110,978,932,607.64
  5. Step 5: Solve for x
    x = 110,978,932,607.64/488,423.48
  6. Step 6: Final answer
    x = 227,218.67

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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.