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Finding the Fourth Proportional to 307,803.96, 424,946.16 and 234,632.52

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Solution

The fourth proportional to 307,803.96, 424,946.16 and 234,632.52 is: 323,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,803.96 : 424,946.16 = 234,632.52 : x
  2. Step 2: Convert to fraction form
    307,803.96/424,946.16 = 234,632.52/x
  3. Step 3: Cross multiply
    307,803.96x = 424,946.16 × 234,632.52
  4. Step 4: Simplify right side
    307,803.96x = 99,706,188,385.12
  5. Step 5: Solve for x
    x = 99,706,188,385.12/307,803.96
  6. Step 6: Final answer
    x = 323,927.57

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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.