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Finding the Fourth Proportional to 510,950.26, 705,111.57 and 296,214.79

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Solution

The fourth proportional to 510,950.26, 705,111.57 and 296,214.79 is: 408,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,950.26 : 705,111.57 = 296,214.79 : x
  2. Step 2: Convert to fraction form
    510,950.26/705,111.57 = 296,214.79/x
  3. Step 3: Cross multiply
    510,950.26x = 705,111.57 × 296,214.79
  4. Step 4: Simplify right side
    510,950.26x = 208,864,475,634.12
  5. Step 5: Solve for x
    x = 208,864,475,634.12/510,950.26
  6. Step 6: Final answer
    x = 408,776.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.