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Finding the Fourth Proportional to 519,502.40, 777,941.40 and 341,043.20

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Solution

The fourth proportional to 519,502.40, 777,941.40 and 341,043.20 is: 510,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,502.40 : 777,941.40 = 341,043.20 : x
  2. Step 2: Convert to fraction form
    519,502.40/777,941.40 = 341,043.20/x
  3. Step 3: Cross multiply
    519,502.40x = 777,941.40 × 341,043.20
  4. Step 4: Simplify right side
    519,502.40x = 265,311,624,468.48
  5. Step 5: Solve for x
    x = 265,311,624,468.48/519,502.40
  6. Step 6: Final answer
    x = 510,703.37

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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.