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Finding the Fourth Proportional to 438,282.93, 604,830.69 and 242,049.77

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Solution

The fourth proportional to 438,282.93, 604,830.69 and 242,049.77 is: 334,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,282.93 : 604,830.69 = 242,049.77 : x
  2. Step 2: Convert to fraction form
    438,282.93/604,830.69 = 242,049.77/x
  3. Step 3: Cross multiply
    438,282.93x = 604,830.69 × 242,049.77
  4. Step 4: Simplify right side
    438,282.93x = 146,399,126,379.29
  5. Step 5: Solve for x
    x = 146,399,126,379.29/438,282.93
  6. Step 6: Final answer
    x = 334,028.81

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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.