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Finding the Fourth Proportional to 565,544.64, 848,323.68 and 144,809.28

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Solution

The fourth proportional to 565,544.64, 848,323.68 and 144,809.28 is: 217,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,544.64 : 848,323.68 = 144,809.28 : x
  2. Step 2: Convert to fraction form
    565,544.64/848,323.68 = 144,809.28/x
  3. Step 3: Cross multiply
    565,544.64x = 848,323.68 × 144,809.28
  4. Step 4: Simplify right side
    565,544.64x = 122,845,141,307.75
  5. Step 5: Solve for x
    x = 122,845,141,307.75/565,544.64
  6. Step 6: Final answer
    x = 217,215.64

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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.