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Finding the Fourth Proportional to 437,866.59, 656,791.53 and 153,478.23

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Solution

The fourth proportional to 437,866.59, 656,791.53 and 153,478.23 is: 230,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,866.59 : 656,791.53 = 153,478.23 : x
  2. Step 2: Convert to fraction form
    437,866.59/656,791.53 = 153,478.23/x
  3. Step 3: Cross multiply
    437,866.59x = 656,791.53 × 153,478.23
  4. Step 4: Simplify right side
    437,866.59x = 100,803,201,503.39
  5. Step 5: Solve for x
    x = 100,803,201,503.39/437,866.59
  6. Step 6: Final answer
    x = 230,214.42

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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.