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Finding the Fourth Proportional to 637,293, 955,939.50 and 194,061

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Solution

The fourth proportional to 637,293, 955,939.50 and 194,061 is: 291,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,293 : 955,939.50 = 194,061 : x
  2. Step 2: Convert to fraction form
    637,293/955,939.50 = 194,061/x
  3. Step 3: Cross multiply
    637,293x = 955,939.50 × 194,061
  4. Step 4: Simplify right side
    637,293x = 185,510,575,309.50
  5. Step 5: Solve for x
    x = 185,510,575,309.50/637,293
  6. Step 6: Final answer
    x = 291,091.50

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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.