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Finding the Fourth Proportional to 349,329.40, 523,994.10 and 200,030.20

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Solution

The fourth proportional to 349,329.40, 523,994.10 and 200,030.20 is: 300,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,329.40 : 523,994.10 = 200,030.20 : x
  2. Step 2: Convert to fraction form
    349,329.40/523,994.10 = 200,030.20/x
  3. Step 3: Cross multiply
    349,329.40x = 523,994.10 × 200,030.20
  4. Step 4: Simplify right side
    349,329.40x = 104,814,644,621.82
  5. Step 5: Solve for x
    x = 104,814,644,621.82/349,329.40
  6. Step 6: Final answer
    x = 300,045.30

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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.