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Finding the Fourth Proportional to 710,600.52, 979,950.96 and 465,219.12

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Solution

The fourth proportional to 710,600.52, 979,950.96 and 465,219.12 is: 641,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,600.52 : 979,950.96 = 465,219.12 : x
  2. Step 2: Convert to fraction form
    710,600.52/979,950.96 = 465,219.12/x
  3. Step 3: Cross multiply
    710,600.52x = 979,950.96 × 465,219.12
  4. Step 4: Simplify right side
    710,600.52x = 455,891,923,254.36
  5. Step 5: Solve for x
    x = 455,891,923,254.36/710,600.52
  6. Step 6: Final answer
    x = 641,558.67

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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.