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Finding the Fourth Proportional to 656,996.80, 984,112.80 and 546,404.80

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Solution

The fourth proportional to 656,996.80, 984,112.80 and 546,404.80 is: 818,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,996.80 : 984,112.80 = 546,404.80 : x
  2. Step 2: Convert to fraction form
    656,996.80/984,112.80 = 546,404.80/x
  3. Step 3: Cross multiply
    656,996.80x = 984,112.80 × 546,404.80
  4. Step 4: Simplify right side
    656,996.80x = 537,723,957,661.44
  5. Step 5: Solve for x
    x = 537,723,957,661.44/656,996.80
  6. Step 6: Final answer
    x = 818,457.50

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1.5x scale

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.