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Finding the Fourth Proportional to 453,188.48, 679,643.78 and 149,526.59

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Solution

The fourth proportional to 453,188.48, 679,643.78 and 149,526.59 is: 224,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,188.48 : 679,643.78 = 149,526.59 : x
  2. Step 2: Convert to fraction form
    453,188.48/679,643.78 = 149,526.59/x
  3. Step 3: Cross multiply
    453,188.48x = 679,643.78 × 149,526.59
  4. Step 4: Simplify right side
    453,188.48x = 101,624,812,692.26
  5. Step 5: Solve for x
    x = 101,624,812,692.26/453,188.48
  6. Step 6: Final answer
    x = 224,244.04

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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.