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Finding the Fourth Proportional to 608,764.92, 912,063.96 and 519,108.90

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Solution

The fourth proportional to 608,764.92, 912,063.96 and 519,108.90 is: 777,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,764.92 : 912,063.96 = 519,108.90 : x
  2. Step 2: Convert to fraction form
    608,764.92/912,063.96 = 519,108.90/x
  3. Step 3: Cross multiply
    608,764.92x = 912,063.96 × 519,108.90
  4. Step 4: Simplify right side
    608,764.92x = 473,460,519,005.24
  5. Step 5: Solve for x
    x = 473,460,519,005.24/608,764.92
  6. Step 6: Final answer
    x = 777,739.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.