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Finding the Fourth Proportional to 307,483.95, 424,051.56 and 192,775.11

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Solution

The fourth proportional to 307,483.95, 424,051.56 and 192,775.11 is: 265,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,483.95 : 424,051.56 = 192,775.11 : x
  2. Step 2: Convert to fraction form
    307,483.95/424,051.56 = 192,775.11/x
  3. Step 3: Cross multiply
    307,483.95x = 424,051.56 × 192,775.11
  4. Step 4: Simplify right side
    307,483.95x = 81,746,586,124.67
  5. Step 5: Solve for x
    x = 81,746,586,124.67/307,483.95
  6. Step 6: Final answer
    x = 265,856.43

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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.