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Finding the Fourth Proportional to 549,283.85, 823,925.78 and 539,952.65

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Solution

The fourth proportional to 549,283.85, 823,925.78 and 539,952.65 is: 809,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,283.85 : 823,925.78 = 539,952.65 : x
  2. Step 2: Convert to fraction form
    549,283.85/823,925.78 = 539,952.65/x
  3. Step 3: Cross multiply
    549,283.85x = 823,925.78 × 539,952.65
  4. Step 4: Simplify right side
    549,283.85x = 444,880,905,614.55
  5. Step 5: Solve for x
    x = 444,880,905,614.55/549,283.85
  6. Step 6: Final answer
    x = 809,928.98

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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.