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Finding the Fourth Proportional to 406,038.61, 560,204.47 and 236,239.93

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Solution

The fourth proportional to 406,038.61, 560,204.47 and 236,239.93 is: 325,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,038.61 : 560,204.47 = 236,239.93 : x
  2. Step 2: Convert to fraction form
    406,038.61/560,204.47 = 236,239.93/x
  3. Step 3: Cross multiply
    406,038.61x = 560,204.47 × 236,239.93
  4. Step 4: Simplify right side
    406,038.61x = 132,342,664,778.49
  5. Step 5: Solve for x
    x = 132,342,664,778.49/406,038.61
  6. Step 6: Final answer
    x = 325,936.16

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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.