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Finding the Fourth Proportional to 358,381.74, 538,557.33 and 334,975.98

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Solution

The fourth proportional to 358,381.74, 538,557.33 and 334,975.98 is: 503,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,381.74 : 538,557.33 = 334,975.98 : x
  2. Step 2: Convert to fraction form
    358,381.74/538,557.33 = 334,975.98/x
  3. Step 3: Cross multiply
    358,381.74x = 538,557.33 × 334,975.98
  4. Step 4: Simplify right side
    358,381.74x = 180,403,769,402.93
  5. Step 5: Solve for x
    x = 180,403,769,402.93/358,381.74
  6. Step 6: Final answer
    x = 503,384.38

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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.