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Finding the Fourth Proportional to 570,855.98, 787,424.82 and 367,172.30

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Solution

The fourth proportional to 570,855.98, 787,424.82 and 367,172.30 is: 506,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,855.98 : 787,424.82 = 367,172.30 : x
  2. Step 2: Convert to fraction form
    570,855.98/787,424.82 = 367,172.30/x
  3. Step 3: Cross multiply
    570,855.98x = 787,424.82 × 367,172.30
  4. Step 4: Simplify right side
    570,855.98x = 289,120,582,236.49
  5. Step 5: Solve for x
    x = 289,120,582,236.49/570,855.98
  6. Step 6: Final answer
    x = 506,468.52

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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.