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Finding the Fourth Proportional to 404,781.70, 607,345.35 and 194,311.30

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Solution

The fourth proportional to 404,781.70, 607,345.35 and 194,311.30 is: 291,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,781.70 : 607,345.35 = 194,311.30 : x
  2. Step 2: Convert to fraction form
    404,781.70/607,345.35 = 194,311.30/x
  3. Step 3: Cross multiply
    404,781.70x = 607,345.35 × 194,311.30
  4. Step 4: Simplify right side
    404,781.70x = 118,014,064,507.46
  5. Step 5: Solve for x
    x = 118,014,064,507.46/404,781.70
  6. Step 6: Final answer
    x = 291,549.90

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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.