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Finding the Fourth Proportional to 565,444.30, 848,305.88 and 281,269.64

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Solution

The fourth proportional to 565,444.30, 848,305.88 and 281,269.64 is: 421,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,444.30 : 848,305.88 = 281,269.64 : x
  2. Step 2: Convert to fraction form
    565,444.30/848,305.88 = 281,269.64/x
  3. Step 3: Cross multiply
    565,444.30x = 848,305.88 × 281,269.64
  4. Step 4: Simplify right side
    565,444.30x = 238,602,689,477.48
  5. Step 5: Solve for x
    x = 238,602,689,477.48/565,444.30
  6. Step 6: Final answer
    x = 421,973.82

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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.