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Finding the Fourth Proportional to 440,529.66, 607,926.87 and 239,325.66

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Solution

The fourth proportional to 440,529.66, 607,926.87 and 239,325.66 is: 330,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,529.66 : 607,926.87 = 239,325.66 : x
  2. Step 2: Convert to fraction form
    440,529.66/607,926.87 = 239,325.66/x
  3. Step 3: Cross multiply
    440,529.66x = 607,926.87 × 239,325.66
  4. Step 4: Simplify right side
    440,529.66x = 145,492,499,394.48
  5. Step 5: Solve for x
    x = 145,492,499,394.48/440,529.66
  6. Step 6: Final answer
    x = 330,267.20

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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.