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Finding the Fourth Proportional to 423,085.55, 583,909.80 and 241,755.89

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Solution

The fourth proportional to 423,085.55, 583,909.80 and 241,755.89 is: 333,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,085.55 : 583,909.80 = 241,755.89 : x
  2. Step 2: Convert to fraction form
    423,085.55/583,909.80 = 241,755.89/x
  3. Step 3: Cross multiply
    423,085.55x = 583,909.80 × 241,755.89
  4. Step 4: Simplify right side
    423,085.55x = 141,163,633,378.72
  5. Step 5: Solve for x
    x = 141,163,633,378.72/423,085.55
  6. Step 6: Final answer
    x = 333,652.69

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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.