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Finding the Fourth Proportional to 574,722.50, 793,141.65 and 320,073.68

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Solution

The fourth proportional to 574,722.50, 793,141.65 and 320,073.68 is: 441,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,722.50 : 793,141.65 = 320,073.68 : x
  2. Step 2: Convert to fraction form
    574,722.50/793,141.65 = 320,073.68/x
  3. Step 3: Cross multiply
    574,722.50x = 793,141.65 × 320,073.68
  4. Step 4: Simplify right side
    574,722.50x = 253,863,768,659.63
  5. Step 5: Solve for x
    x = 253,863,768,659.63/574,722.50
  6. Step 6: Final answer
    x = 441,715.39

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1.5x scale

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.