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Finding the Fourth Proportional to 440,090.74, 607,325.88 and 238,886.74

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Solution

The fourth proportional to 440,090.74, 607,325.88 and 238,886.74 is: 329,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,090.74 : 607,325.88 = 238,886.74 : x
  2. Step 2: Convert to fraction form
    440,090.74/607,325.88 = 238,886.74/x
  3. Step 3: Cross multiply
    440,090.74x = 607,325.88 × 238,886.74
  4. Step 4: Simplify right side
    440,090.74x = 145,082,099,590.83
  5. Step 5: Solve for x
    x = 145,082,099,590.83/440,090.74
  6. Step 6: Final answer
    x = 329,664.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.