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Finding the Fourth Proportional to 575,178.48, 793,416.36 and 359,944.80

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Solution

The fourth proportional to 575,178.48, 793,416.36 and 359,944.80 is: 496,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,178.48 : 793,416.36 = 359,944.80 : x
  2. Step 2: Convert to fraction form
    575,178.48/793,416.36 = 359,944.80/x
  3. Step 3: Cross multiply
    575,178.48x = 793,416.36 × 359,944.80
  4. Step 4: Simplify right side
    575,178.48x = 285,586,093,016.93
  5. Step 5: Solve for x
    x = 285,586,093,016.93/575,178.48
  6. Step 6: Final answer
    x = 496,517.35

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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.