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Finding the Fourth Proportional to 944,337, 1,303,185.06 and 520,401

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Solution

The fourth proportional to 944,337, 1,303,185.06 and 520,401 is: 718,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,337 : 1,303,185.06 = 520,401 : x
  2. Step 2: Convert to fraction form
    944,337/1,303,185.06 = 520,401/x
  3. Step 3: Cross multiply
    944,337x = 1,303,185.06 × 520,401
  4. Step 4: Simplify right side
    944,337x = 678,178,808,409.06
  5. Step 5: Solve for x
    x = 678,178,808,409.06/944,337
  6. Step 6: Final answer
    x = 718,153.38

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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.