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Finding the Fourth Proportional to 555,941.78, 833,339.95 and 218,845.80

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Solution

The fourth proportional to 555,941.78, 833,339.95 and 218,845.80 is: 328,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,941.78 : 833,339.95 = 218,845.80 : x
  2. Step 2: Convert to fraction form
    555,941.78/833,339.95 = 218,845.80/x
  3. Step 3: Cross multiply
    555,941.78x = 833,339.95 × 218,845.80
  4. Step 4: Simplify right side
    555,941.78x = 182,372,947,482.60
  5. Step 5: Solve for x
    x = 182,372,947,482.60/555,941.78
  6. Step 6: Final answer
    x = 328,043.25

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1.5x scale

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.