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Finding the Fourth Proportional to 578,702.72, 868,054.18 and 241,559.46

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Solution

The fourth proportional to 578,702.72, 868,054.18 and 241,559.46 is: 362,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,702.72 : 868,054.18 = 241,559.46 : x
  2. Step 2: Convert to fraction form
    578,702.72/868,054.18 = 241,559.46/x
  3. Step 3: Cross multiply
    578,702.72x = 868,054.18 × 241,559.46
  4. Step 4: Simplify right side
    578,702.72x = 209,686,698,367.64
  5. Step 5: Solve for x
    x = 209,686,698,367.64/578,702.72
  6. Step 6: Final answer
    x = 362,339.23

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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.