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Finding the Fourth Proportional to 355,577.78, 533,352.44 and 195,970.11

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Solution

The fourth proportional to 355,577.78, 533,352.44 and 195,970.11 is: 293,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,577.78 : 533,352.44 = 195,970.11 : x
  2. Step 2: Convert to fraction form
    355,577.78/533,352.44 = 195,970.11/x
  3. Step 3: Cross multiply
    355,577.78x = 533,352.44 × 195,970.11
  4. Step 4: Simplify right side
    355,577.78x = 104,521,136,335.57
  5. Step 5: Solve for x
    x = 104,521,136,335.57/355,577.78
  6. Step 6: Final answer
    x = 293,947.32

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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.