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Finding the Fourth Proportional to 614,920.52, 848,553.78 and 356,777.47

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Solution

The fourth proportional to 614,920.52, 848,553.78 and 356,777.47 is: 492,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,920.52 : 848,553.78 = 356,777.47 : x
  2. Step 2: Convert to fraction form
    614,920.52/848,553.78 = 356,777.47/x
  3. Step 3: Cross multiply
    614,920.52x = 848,553.78 × 356,777.47
  4. Step 4: Simplify right side
    614,920.52x = 302,744,866,267.34
  5. Step 5: Solve for x
    x = 302,744,866,267.34/614,920.52
  6. Step 6: Final answer
    x = 492,331.70

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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.