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Finding the Fourth Proportional to 445,157.04, 614,332.44 and 243,953.04

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Solution

The fourth proportional to 445,157.04, 614,332.44 and 243,953.04 is: 336,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,157.04 : 614,332.44 = 243,953.04 : x
  2. Step 2: Convert to fraction form
    445,157.04/614,332.44 = 243,953.04/x
  3. Step 3: Cross multiply
    445,157.04x = 614,332.44 × 243,953.04
  4. Step 4: Simplify right side
    445,157.04x = 149,868,266,308.62
  5. Step 5: Solve for x
    x = 149,868,266,308.62/445,157.04
  6. Step 6: Final answer
    x = 336,663.81

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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.