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Finding the Fourth Proportional to 519,235.57, 778,859.59 and 182,284.69

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Solution

The fourth proportional to 519,235.57, 778,859.59 and 182,284.69 is: 273,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,235.57 : 778,859.59 = 182,284.69 : x
  2. Step 2: Convert to fraction form
    519,235.57/778,859.59 = 182,284.69/x
  3. Step 3: Cross multiply
    519,235.57x = 778,859.59 × 182,284.69
  4. Step 4: Simplify right side
    519,235.57x = 141,974,174,566.67
  5. Step 5: Solve for x
    x = 141,974,174,566.67/519,235.57
  6. Step 6: Final answer
    x = 273,429.22

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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.