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Finding the Fourth Proportional to 423,033.38, 634,656.99 and 195,219.26

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Solution

The fourth proportional to 423,033.38, 634,656.99 and 195,219.26 is: 292,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,033.38 : 634,656.99 = 195,219.26 : x
  2. Step 2: Convert to fraction form
    423,033.38/634,656.99 = 195,219.26/x
  3. Step 3: Cross multiply
    423,033.38x = 634,656.99 × 195,219.26
  4. Step 4: Simplify right side
    423,033.38x = 123,897,267,941.63
  5. Step 5: Solve for x
    x = 123,897,267,941.63/423,033.38
  6. Step 6: Final answer
    x = 292,878.23

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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.