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Finding the Fourth Proportional to 574,498.04, 861,804.16 and 219,810.38

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Solution

The fourth proportional to 574,498.04, 861,804.16 and 219,810.38 is: 329,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,498.04 : 861,804.16 = 219,810.38 : x
  2. Step 2: Convert to fraction form
    574,498.04/861,804.16 = 219,810.38/x
  3. Step 3: Cross multiply
    574,498.04x = 861,804.16 × 219,810.38
  4. Step 4: Simplify right side
    574,498.04x = 189,433,495,036.63
  5. Step 5: Solve for x
    x = 189,433,495,036.63/574,498.04
  6. Step 6: Final answer
    x = 329,737.41

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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.