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Finding the Fourth Proportional to 194,666.80, 292,000.20 and 193,354.60

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Solution

The fourth proportional to 194,666.80, 292,000.20 and 193,354.60 is: 290,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,666.80 : 292,000.20 = 193,354.60 : x
  2. Step 2: Convert to fraction form
    194,666.80/292,000.20 = 193,354.60/x
  3. Step 3: Cross multiply
    194,666.80x = 292,000.20 × 193,354.60
  4. Step 4: Simplify right side
    194,666.80x = 56,459,581,870.92
  5. Step 5: Solve for x
    x = 56,459,581,870.92/194,666.80
  6. Step 6: Final answer
    x = 290,031.90

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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.