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Finding the Fourth Proportional to 194,783.70, 292,175.55 and 185,598.30

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Solution

The fourth proportional to 194,783.70, 292,175.55 and 185,598.30 is: 278,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,783.70 : 292,175.55 = 185,598.30 : x
  2. Step 2: Convert to fraction form
    194,783.70/292,175.55 = 185,598.30/x
  3. Step 3: Cross multiply
    194,783.70x = 292,175.55 × 185,598.30
  4. Step 4: Simplify right side
    194,783.70x = 54,227,285,381.57
  5. Step 5: Solve for x
    x = 54,227,285,381.57/194,783.70
  6. Step 6: Final answer
    x = 278,397.45

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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.