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Finding the Fourth Proportional to 706,742.46, 975,665.91 and 545,234.94

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Solution

The fourth proportional to 706,742.46, 975,665.91 and 545,234.94 is: 752,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,742.46 : 975,665.91 = 545,234.94 : x
  2. Step 2: Convert to fraction form
    706,742.46/975,665.91 = 545,234.94/x
  3. Step 3: Cross multiply
    706,742.46x = 975,665.91 × 545,234.94
  4. Step 4: Simplify right side
    706,742.46x = 531,967,143,898.90
  5. Step 5: Solve for x
    x = 531,967,143,898.90/706,742.46
  6. Step 6: Final answer
    x = 752,702.96

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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.