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Finding the Fourth Proportional to 536,711.70, 740,732.22 and 346,279.08

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Solution

The fourth proportional to 536,711.70, 740,732.22 and 346,279.08 is: 477,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,711.70 : 740,732.22 = 346,279.08 : x
  2. Step 2: Convert to fraction form
    536,711.70/740,732.22 = 346,279.08/x
  3. Step 3: Cross multiply
    536,711.70x = 740,732.22 × 346,279.08
  4. Step 4: Simplify right side
    536,711.70x = 256,500,071,667.96
  5. Step 5: Solve for x
    x = 256,500,071,667.96/536,711.70
  6. Step 6: Final answer
    x = 477,910.34

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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.