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Finding the Fourth Proportional to 629,765.08, 869,042.96 and 357,795.24

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Solution

The fourth proportional to 629,765.08, 869,042.96 and 357,795.24 is: 493,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,765.08 : 869,042.96 = 357,795.24 : x
  2. Step 2: Convert to fraction form
    629,765.08/869,042.96 = 357,795.24/x
  3. Step 3: Cross multiply
    629,765.08x = 869,042.96 × 357,795.24
  4. Step 4: Simplify right side
    629,765.08x = 310,939,434,443.51
  5. Step 5: Solve for x
    x = 310,939,434,443.51/629,765.08
  6. Step 6: Final answer
    x = 493,738.77

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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.