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Finding the Fourth Proportional to 519,501.40, 779,057.70 and 182,411.80

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Solution

The fourth proportional to 519,501.40, 779,057.70 and 182,411.80 is: 273,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,501.40 : 779,057.70 = 182,411.80 : x
  2. Step 2: Convert to fraction form
    519,501.40/779,057.70 = 182,411.80/x
  3. Step 3: Cross multiply
    519,501.40x = 779,057.70 × 182,411.80
  4. Step 4: Simplify right side
    519,501.40x = 142,109,317,360.86
  5. Step 5: Solve for x
    x = 142,109,317,360.86/519,501.40
  6. Step 6: Final answer
    x = 273,549.44

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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.