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Finding the Fourth Proportional to 1,364,541.46, 2,046,812.22 and 765,923.11

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Solution

The fourth proportional to 1,364,541.46, 2,046,812.22 and 765,923.11 is: 1,148,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,541.46 : 2,046,812.22 = 765,923.11 : x
  2. Step 2: Convert to fraction form
    1,364,541.46/2,046,812.22 = 765,923.11/x
  3. Step 3: Cross multiply
    1,364,541.46x = 2,046,812.22 × 765,923.11
  4. Step 4: Simplify right side
    1,364,541.46x = 1,567,700,776,011.37
  5. Step 5: Solve for x
    x = 1,567,700,776,011.37/1,364,541.46
  6. Step 6: Final answer
    x = 1,148,884.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.