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Finding the Fourth Proportional to 536,443.20, 803,352.60 and 255,632.40

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Solution

The fourth proportional to 536,443.20, 803,352.60 and 255,632.40 is: 382,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,443.20 : 803,352.60 = 255,632.40 : x
  2. Step 2: Convert to fraction form
    536,443.20/803,352.60 = 255,632.40/x
  3. Step 3: Cross multiply
    536,443.20x = 803,352.60 × 255,632.40
  4. Step 4: Simplify right side
    536,443.20x = 205,362,953,184.24
  5. Step 5: Solve for x
    x = 205,362,953,184.24/536,443.20
  6. Step 6: Final answer
    x = 382,823.29

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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.