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Finding the Fourth Proportional to 541,148.52, 746,678.79 and 299,385.93

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Solution

The fourth proportional to 541,148.52, 746,678.79 and 299,385.93 is: 413,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,148.52 : 746,678.79 = 299,385.93 : x
  2. Step 2: Convert to fraction form
    541,148.52/746,678.79 = 299,385.93/x
  3. Step 3: Cross multiply
    541,148.52x = 746,678.79 × 299,385.93
  4. Step 4: Simplify right side
    541,148.52x = 223,545,123,955.43
  5. Step 5: Solve for x
    x = 223,545,123,955.43/541,148.52
  6. Step 6: Final answer
    x = 413,093.85

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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.