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Finding the Fourth Proportional to 537,053.90, 805,580.87 and 255,718.22

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Solution

The fourth proportional to 537,053.90, 805,580.87 and 255,718.22 is: 383,577.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,053.90 : 805,580.87 = 255,718.22 : x
  2. Step 2: Convert to fraction form
    537,053.90/805,580.87 = 255,718.22/x
  3. Step 3: Cross multiply
    537,053.90x = 805,580.87 × 255,718.22
  4. Step 4: Simplify right side
    537,053.90x = 206,001,700,835.96
  5. Step 5: Solve for x
    x = 206,001,700,835.96/537,053.90
  6. Step 6: Final answer
    x = 383,577.33

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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.