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Finding the Fourth Proportional to 488,434.41, 732,756.86 and 151,468.28

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Solution

The fourth proportional to 488,434.41, 732,756.86 and 151,468.28 is: 227,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,434.41 : 732,756.86 = 151,468.28 : x
  2. Step 2: Convert to fraction form
    488,434.41/732,756.86 = 151,468.28/x
  3. Step 3: Cross multiply
    488,434.41x = 732,756.86 × 151,468.28
  4. Step 4: Simplify right side
    488,434.41x = 110,989,421,242.40
  5. Step 5: Solve for x
    x = 110,989,421,242.40/488,434.41
  6. Step 6: Final answer
    x = 227,235.06

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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.