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Finding the Fourth Proportional to 536,313.60, 804,470.40 and 347,356.80

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Solution

The fourth proportional to 536,313.60, 804,470.40 and 347,356.80 is: 521,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,313.60 : 804,470.40 = 347,356.80 : x
  2. Step 2: Convert to fraction form
    536,313.60/804,470.40 = 347,356.80/x
  3. Step 3: Cross multiply
    536,313.60x = 804,470.40 × 347,356.80
  4. Step 4: Simplify right side
    536,313.60x = 279,438,263,838.72
  5. Step 5: Solve for x
    x = 279,438,263,838.72/536,313.60
  6. Step 6: Final answer
    x = 521,035.20

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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.