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Finding the Fourth Proportional to 537,187.45, 741,424 and 307,898.45

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Solution

The fourth proportional to 537,187.45, 741,424 and 307,898.45 is: 424,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,187.45 : 741,424 = 307,898.45 : x
  2. Step 2: Convert to fraction form
    537,187.45/741,424 = 307,898.45/x
  3. Step 3: Cross multiply
    537,187.45x = 741,424 × 307,898.45
  4. Step 4: Simplify right side
    537,187.45x = 228,283,296,685.68
  5. Step 5: Solve for x
    x = 228,283,296,685.68/537,187.45
  6. Step 6: Final answer
    x = 424,960.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.