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Finding the Fourth Proportional to 843,265.10, 1,262,870.82 and 482,341.82

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Solution

The fourth proportional to 843,265.10, 1,262,870.82 and 482,341.82 is: 722,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,265.10 : 1,262,870.82 = 482,341.82 : x
  2. Step 2: Convert to fraction form
    843,265.10/1,262,870.82 = 482,341.82/x
  3. Step 3: Cross multiply
    843,265.10x = 1,262,870.82 × 482,341.82
  4. Step 4: Simplify right side
    843,265.10x = 609,135,409,743.69
  5. Step 5: Solve for x
    x = 609,135,409,743.69/843,265.10
  6. Step 6: Final answer
    x = 722,353.40

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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.