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Finding the Fourth Proportional to 549,252.80, 822,496.80 and 361,246.40

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Solution

The fourth proportional to 549,252.80, 822,496.80 and 361,246.40 is: 540,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,252.80 : 822,496.80 = 361,246.40 : x
  2. Step 2: Convert to fraction form
    549,252.80/822,496.80 = 361,246.40/x
  3. Step 3: Cross multiply
    549,252.80x = 822,496.80 × 361,246.40
  4. Step 4: Simplify right side
    549,252.80x = 297,124,008,011.52
  5. Step 5: Solve for x
    x = 297,124,008,011.52/549,252.80
  6. Step 6: Final answer
    x = 540,960.39

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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.