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Finding the Fourth Proportional to 488,004.40, 732,006.60 and 155,580.40

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Solution

The fourth proportional to 488,004.40, 732,006.60 and 155,580.40 is: 233,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,004.40 : 732,006.60 = 155,580.40 : x
  2. Step 2: Convert to fraction form
    488,004.40/732,006.60 = 155,580.40/x
  3. Step 3: Cross multiply
    488,004.40x = 732,006.60 × 155,580.40
  4. Step 4: Simplify right side
    488,004.40x = 113,885,879,630.64
  5. Step 5: Solve for x
    x = 113,885,879,630.64/488,004.40
  6. Step 6: Final answer
    x = 233,370.60

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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.