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Finding the Fourth Proportional to 358,916.47, 537,866.73 and 199,062.77

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Solution

The fourth proportional to 358,916.47, 537,866.73 and 199,062.77 is: 298,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,916.47 : 537,866.73 = 199,062.77 : x
  2. Step 2: Convert to fraction form
    358,916.47/537,866.73 = 199,062.77/x
  3. Step 3: Cross multiply
    358,916.47x = 537,866.73 × 199,062.77
  4. Step 4: Simplify right side
    358,916.47x = 107,069,238,475.31
  5. Step 5: Solve for x
    x = 107,069,238,475.31/358,916.47
  6. Step 6: Final answer
    x = 298,312.42

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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.