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Finding the Fourth Proportional to 508,599.44, 763,401.36 and 381,798.80

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Solution

The fourth proportional to 508,599.44, 763,401.36 and 381,798.80 is: 573,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,599.44 : 763,401.36 = 381,798.80 : x
  2. Step 2: Convert to fraction form
    508,599.44/763,401.36 = 381,798.80/x
  3. Step 3: Cross multiply
    508,599.44x = 763,401.36 × 381,798.80
  4. Step 4: Simplify right side
    508,599.44x = 291,465,723,166.37
  5. Step 5: Solve for x
    x = 291,465,723,166.37/508,599.44
  6. Step 6: Final answer
    x = 573,075.19

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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.