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Finding the Fourth Proportional to 440,015.60, 607,222.24 and 238,812.08

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Solution

The fourth proportional to 440,015.60, 607,222.24 and 238,812.08 is: 329,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,015.60 : 607,222.24 = 238,812.08 : x
  2. Step 2: Convert to fraction form
    440,015.60/607,222.24 = 238,812.08/x
  3. Step 3: Cross multiply
    440,015.60x = 607,222.24 × 238,812.08
  4. Step 4: Simplify right side
    440,015.60x = 145,012,006,156.66
  5. Step 5: Solve for x
    x = 145,012,006,156.66/440,015.60
  6. Step 6: Final answer
    x = 329,561.06

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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.