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Finding the Fourth Proportional to 688,525.46, 950,146.11 and 382,593.93

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Solution

The fourth proportional to 688,525.46, 950,146.11 and 382,593.93 is: 527,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,525.46 : 950,146.11 = 382,593.93 : x
  2. Step 2: Convert to fraction form
    688,525.46/950,146.11 = 382,593.93/x
  3. Step 3: Cross multiply
    688,525.46x = 950,146.11 × 382,593.93
  4. Step 4: Simplify right side
    688,525.46x = 363,520,130,736.06
  5. Step 5: Solve for x
    x = 363,520,130,736.06/688,525.46
  6. Step 6: Final answer
    x = 527,969.05

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Double scale
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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.