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Finding the Fourth Proportional to 444,397.16, 665,818.14 and 369,995.42

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Solution

The fourth proportional to 444,397.16, 665,818.14 and 369,995.42 is: 554,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,397.16 : 665,818.14 = 369,995.42 : x
  2. Step 2: Convert to fraction form
    444,397.16/665,818.14 = 369,995.42/x
  3. Step 3: Cross multiply
    444,397.16x = 665,818.14 × 369,995.42
  4. Step 4: Simplify right side
    444,397.16x = 246,349,662,352.92
  5. Step 5: Solve for x
    x = 246,349,662,352.92/444,397.16
  6. Step 6: Final answer
    x = 554,345.72

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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.