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Finding the Fourth Proportional to 536,806.18, 740,809.11 and 295,107.22

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Solution

The fourth proportional to 536,806.18, 740,809.11 and 295,107.22 is: 407,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,806.18 : 740,809.11 = 295,107.22 : x
  2. Step 2: Convert to fraction form
    536,806.18/740,809.11 = 295,107.22/x
  3. Step 3: Cross multiply
    536,806.18x = 740,809.11 × 295,107.22
  4. Step 4: Simplify right side
    536,806.18x = 218,618,117,002.77
  5. Step 5: Solve for x
    x = 218,618,117,002.77/536,806.18
  6. Step 6: Final answer
    x = 407,257.08

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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.