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Finding the Fourth Proportional to 440,443.49, 660,665.00 and 124,903.01

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Solution

The fourth proportional to 440,443.49, 660,665.00 and 124,903.01 is: 187,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,443.49 : 660,665.00 = 124,903.01 : x
  2. Step 2: Convert to fraction form
    440,443.49/660,665.00 = 124,903.01/x
  3. Step 3: Cross multiply
    440,443.49x = 660,665.00 × 124,903.01
  4. Step 4: Simplify right side
    440,443.49x = 82,519,046,477.14
  5. Step 5: Solve for x
    x = 82,519,046,477.14/440,443.49
  6. Step 6: Final answer
    x = 187,354.45

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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.