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Finding the Fourth Proportional to 565,604.51, 780,702.48 and 324,047.93

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Solution

The fourth proportional to 565,604.51, 780,702.48 and 324,047.93 is: 447,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,604.51 : 780,702.48 = 324,047.93 : x
  2. Step 2: Convert to fraction form
    565,604.51/780,702.48 = 324,047.93/x
  3. Step 3: Cross multiply
    565,604.51x = 780,702.48 × 324,047.93
  4. Step 4: Simplify right side
    565,604.51x = 252,985,018,686.35
  5. Step 5: Solve for x
    x = 252,985,018,686.35/565,604.51
  6. Step 6: Final answer
    x = 447,282.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.