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Finding the Fourth Proportional to 328,684.61, 453,575.56 and 185,457.98

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Solution

The fourth proportional to 328,684.61, 453,575.56 and 185,457.98 is: 255,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,684.61 : 453,575.56 = 185,457.98 : x
  2. Step 2: Convert to fraction form
    328,684.61/453,575.56 = 185,457.98/x
  3. Step 3: Cross multiply
    328,684.61x = 453,575.56 × 185,457.98
  4. Step 4: Simplify right side
    328,684.61x = 84,119,208,268.91
  5. Step 5: Solve for x
    x = 84,119,208,268.91/328,684.61
  6. Step 6: Final answer
    x = 255,926.82

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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.