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Finding the Fourth Proportional to 440,041.64, 607,241.22 and 238,833.32

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Solution

The fourth proportional to 440,041.64, 607,241.22 and 238,833.32 is: 329,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,041.64 : 607,241.22 = 238,833.32 : x
  2. Step 2: Convert to fraction form
    440,041.64/607,241.22 = 238,833.32/x
  3. Step 3: Cross multiply
    440,041.64x = 607,241.22 × 238,833.32
  4. Step 4: Simplify right side
    440,041.64x = 145,029,436,613.45
  5. Step 5: Solve for x
    x = 145,029,436,613.45/440,041.64
  6. Step 6: Final answer
    x = 329,581.17

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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.