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Finding the Fourth Proportional to 536,779.92, 805,268.43 and 176,971.98

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Solution

The fourth proportional to 536,779.92, 805,268.43 and 176,971.98 is: 265,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,779.92 : 805,268.43 = 176,971.98 : x
  2. Step 2: Convert to fraction form
    536,779.92/805,268.43 = 176,971.98/x
  3. Step 3: Cross multiply
    536,779.92x = 805,268.43 × 176,971.98
  4. Step 4: Simplify right side
    536,779.92x = 142,509,948,488.59
  5. Step 5: Solve for x
    x = 142,509,948,488.59/536,779.92
  6. Step 6: Final answer
    x = 265,490.46

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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.