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Finding the Fourth Proportional to 404,455.60, 607,144.20 and 238,337.20

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Solution

The fourth proportional to 404,455.60, 607,144.20 and 238,337.20 is: 357,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,455.60 : 607,144.20 = 238,337.20 : x
  2. Step 2: Convert to fraction form
    404,455.60/607,144.20 = 238,337.20/x
  3. Step 3: Cross multiply
    404,455.60x = 607,144.20 × 238,337.20
  4. Step 4: Simplify right side
    404,455.60x = 144,705,048,624.24
  5. Step 5: Solve for x
    x = 144,705,048,624.24/404,455.60
  6. Step 6: Final answer
    x = 357,777.34

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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.