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Finding the Fourth Proportional to 688,687.14, 950,501.05 and 573,783.56

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Solution

The fourth proportional to 688,687.14, 950,501.05 and 573,783.56 is: 791,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,687.14 : 950,501.05 = 573,783.56 : x
  2. Step 2: Convert to fraction form
    688,687.14/950,501.05 = 573,783.56/x
  3. Step 3: Cross multiply
    688,687.14x = 950,501.05 × 573,783.56
  4. Step 4: Simplify right side
    688,687.14x = 545,381,876,252.74
  5. Step 5: Solve for x
    x = 545,381,876,252.74/688,687.14
  6. Step 6: Final answer
    x = 791,915.29

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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.