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Finding the Fourth Proportional to 519,323.94, 774,404.10 and 500,821.92

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Solution

The fourth proportional to 519,323.94, 774,404.10 and 500,821.92 is: 746,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,323.94 : 774,404.10 = 500,821.92 : x
  2. Step 2: Convert to fraction form
    519,323.94/774,404.10 = 500,821.92/x
  3. Step 3: Cross multiply
    519,323.94x = 774,404.10 × 500,821.92
  4. Step 4: Simplify right side
    519,323.94x = 387,838,548,217.87
  5. Step 5: Solve for x
    x = 387,838,548,217.87/519,323.94
  6. Step 6: Final answer
    x = 746,814.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.