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Finding the Fourth Proportional to 606,438.40, 905,166.08 and 569,082.88

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Solution

The fourth proportional to 606,438.40, 905,166.08 and 569,082.88 is: 849,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,438.40 : 905,166.08 = 569,082.88 : x
  2. Step 2: Convert to fraction form
    606,438.40/905,166.08 = 569,082.88/x
  3. Step 3: Cross multiply
    606,438.40x = 905,166.08 × 569,082.88
  4. Step 4: Simplify right side
    606,438.40x = 515,114,519,684.71
  5. Step 5: Solve for x
    x = 515,114,519,684.71/606,438.40
  6. Step 6: Final answer
    x = 849,409.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.