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Finding the Fourth Proportional to 328,790.41, 453,731.43 and 183,595.48

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Solution

The fourth proportional to 328,790.41, 453,731.43 and 183,595.48 is: 253,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,790.41 : 453,731.43 = 183,595.48 : x
  2. Step 2: Convert to fraction form
    328,790.41/453,731.43 = 183,595.48/x
  3. Step 3: Cross multiply
    328,790.41x = 453,731.43 × 183,595.48
  4. Step 4: Simplify right side
    328,790.41x = 83,303,039,681.94
  5. Step 5: Solve for x
    x = 83,303,039,681.94/328,790.41
  6. Step 6: Final answer
    x = 253,362.13

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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.