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Finding the Fourth Proportional to 334,856.80, 502,126.80 and 194,658.40

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Solution

The fourth proportional to 334,856.80, 502,126.80 and 194,658.40 is: 291,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,856.80 : 502,126.80 = 194,658.40 : x
  2. Step 2: Convert to fraction form
    334,856.80/502,126.80 = 194,658.40/x
  3. Step 3: Cross multiply
    334,856.80x = 502,126.80 × 194,658.40
  4. Step 4: Simplify right side
    334,856.80x = 97,743,199,485.12
  5. Step 5: Solve for x
    x = 97,743,199,485.12/334,856.80
  6. Step 6: Final answer
    x = 291,895.52

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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.