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Finding the Fourth Proportional to 453,006.37, 624,635.18 and 289,446.79

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Solution

The fourth proportional to 453,006.37, 624,635.18 and 289,446.79 is: 399,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,006.37 : 624,635.18 = 289,446.79 : x
  2. Step 2: Convert to fraction form
    453,006.37/624,635.18 = 289,446.79/x
  3. Step 3: Cross multiply
    453,006.37x = 624,635.18 × 289,446.79
  4. Step 4: Simplify right side
    453,006.37x = 180,798,648,648.01
  5. Step 5: Solve for x
    x = 180,798,648,648.01/453,006.37
  6. Step 6: Final answer
    x = 399,108.40

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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.