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Finding the Fourth Proportional to 583,636.05, 805,401.36 and 325,520.82

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Solution

The fourth proportional to 583,636.05, 805,401.36 and 325,520.82 is: 449,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,636.05 : 805,401.36 = 325,520.82 : x
  2. Step 2: Convert to fraction form
    583,636.05/805,401.36 = 325,520.82/x
  3. Step 3: Cross multiply
    583,636.05x = 805,401.36 × 325,520.82
  4. Step 4: Simplify right side
    583,636.05x = 262,174,911,136.32
  5. Step 5: Solve for x
    x = 262,174,911,136.32/583,636.05
  6. Step 6: Final answer
    x = 449,209.59

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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.