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Finding the Fourth Proportional to 202,218.90, 303,328.35 and 194,442.90

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Solution

The fourth proportional to 202,218.90, 303,328.35 and 194,442.90 is: 291,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,218.90 : 303,328.35 = 194,442.90 : x
  2. Step 2: Convert to fraction form
    202,218.90/303,328.35 = 194,442.90/x
  3. Step 3: Cross multiply
    202,218.90x = 303,328.35 × 194,442.90
  4. Step 4: Simplify right side
    202,218.90x = 58,980,044,026.22
  5. Step 5: Solve for x
    x = 58,980,044,026.22/202,218.90
  6. Step 6: Final answer
    x = 291,664.35

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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.