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Finding the Fourth Proportional to 675,081.08, 931,574.19 and 369,096.55

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Solution

The fourth proportional to 675,081.08, 931,574.19 and 369,096.55 is: 509,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,081.08 : 931,574.19 = 369,096.55 : x
  2. Step 2: Convert to fraction form
    675,081.08/931,574.19 = 369,096.55/x
  3. Step 3: Cross multiply
    675,081.08x = 931,574.19 × 369,096.55
  4. Step 4: Simplify right side
    675,081.08x = 343,840,819,598.05
  5. Step 5: Solve for x
    x = 343,840,819,598.05/675,081.08
  6. Step 6: Final answer
    x = 509,332.63

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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.