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Finding the Fourth Proportional to 466,918.40, 700,377.60 and 439,270.40

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Solution

The fourth proportional to 466,918.40, 700,377.60 and 439,270.40 is: 658,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,918.40 : 700,377.60 = 439,270.40 : x
  2. Step 2: Convert to fraction form
    466,918.40/700,377.60 = 439,270.40/x
  3. Step 3: Cross multiply
    466,918.40x = 700,377.60 × 439,270.40
  4. Step 4: Simplify right side
    466,918.40x = 307,655,148,503.04
  5. Step 5: Solve for x
    x = 307,655,148,503.04/466,918.40
  6. Step 6: Final answer
    x = 658,905.60

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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.