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Finding the Fourth Proportional to 332,784.40, 499,176.60 and 313,101.40

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Solution

The fourth proportional to 332,784.40, 499,176.60 and 313,101.40 is: 469,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,784.40 : 499,176.60 = 313,101.40 : x
  2. Step 2: Convert to fraction form
    332,784.40/499,176.60 = 313,101.40/x
  3. Step 3: Cross multiply
    332,784.40x = 499,176.60 × 313,101.40
  4. Step 4: Simplify right side
    332,784.40x = 156,292,892,307.24
  5. Step 5: Solve for x
    x = 156,292,892,307.24/332,784.40
  6. Step 6: Final answer
    x = 469,652.10

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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.