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Finding the Fourth Proportional to 453,677.70, 680,516.55 and 404,688.90

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Solution

The fourth proportional to 453,677.70, 680,516.55 and 404,688.90 is: 607,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,677.70 : 680,516.55 = 404,688.90 : x
  2. Step 2: Convert to fraction form
    453,677.70/680,516.55 = 404,688.90/x
  3. Step 3: Cross multiply
    453,677.70x = 680,516.55 × 404,688.90
  4. Step 4: Simplify right side
    453,677.70x = 275,397,494,051.30
  5. Step 5: Solve for x
    x = 275,397,494,051.30/453,677.70
  6. Step 6: Final answer
    x = 607,033.35

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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.