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Finding the Fourth Proportional to 688,768.92, 950,494.68 and 382,837.32

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Solution

The fourth proportional to 688,768.92, 950,494.68 and 382,837.32 is: 528,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,768.92 : 950,494.68 = 382,837.32 : x
  2. Step 2: Convert to fraction form
    688,768.92/950,494.68 = 382,837.32/x
  3. Step 3: Cross multiply
    688,768.92x = 950,494.68 × 382,837.32
  4. Step 4: Simplify right side
    688,768.92x = 363,884,835,965.46
  5. Step 5: Solve for x
    x = 363,884,835,965.46/688,768.92
  6. Step 6: Final answer
    x = 528,311.93

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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.