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Finding the Fourth Proportional to 488,148.40, 732,155.10 and 151,420.60

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Solution

The fourth proportional to 488,148.40, 732,155.10 and 151,420.60 is: 227,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,148.40 : 732,155.10 = 151,420.60 : x
  2. Step 2: Convert to fraction form
    488,148.40/732,155.10 = 151,420.60/x
  3. Step 3: Cross multiply
    488,148.40x = 732,155.10 × 151,420.60
  4. Step 4: Simplify right side
    488,148.40x = 110,863,364,535.06
  5. Step 5: Solve for x
    x = 110,863,364,535.06/488,148.40
  6. Step 6: Final answer
    x = 227,109.96

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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.