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Finding the Fourth Proportional to 675,574.08, 932,162.74 and 385,180.17

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Solution

The fourth proportional to 675,574.08, 932,162.74 and 385,180.17 is: 531,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,574.08 : 932,162.74 = 385,180.17 : x
  2. Step 2: Convert to fraction form
    675,574.08/932,162.74 = 385,180.17/x
  3. Step 3: Cross multiply
    675,574.08x = 932,162.74 × 385,180.17
  4. Step 4: Simplify right side
    675,574.08x = 359,050,602,660.87
  5. Step 5: Solve for x
    x = 359,050,602,660.87/675,574.08
  6. Step 6: Final answer
    x = 531,474.81

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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.