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Finding the Fourth Proportional to 536,635.60, 804,953.40 and 347,678.80

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Solution

The fourth proportional to 536,635.60, 804,953.40 and 347,678.80 is: 521,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,635.60 : 804,953.40 = 347,678.80 : x
  2. Step 2: Convert to fraction form
    536,635.60/804,953.40 = 347,678.80/x
  3. Step 3: Cross multiply
    536,635.60x = 804,953.40 × 347,678.80
  4. Step 4: Simplify right side
    536,635.60x = 279,865,232,167.92
  5. Step 5: Solve for x
    x = 279,865,232,167.92/536,635.60
  6. Step 6: Final answer
    x = 521,518.20

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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.