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Finding the Fourth Proportional to 673,108.70, 929,232.78 and 519,802.70

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Solution

The fourth proportional to 673,108.70, 929,232.78 and 519,802.70 is: 717,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,108.70 : 929,232.78 = 519,802.70 : x
  2. Step 2: Convert to fraction form
    673,108.70/929,232.78 = 519,802.70/x
  3. Step 3: Cross multiply
    673,108.70x = 929,232.78 × 519,802.70
  4. Step 4: Simplify right side
    673,108.70x = 483,017,707,972.51
  5. Step 5: Solve for x
    x = 483,017,707,972.51/673,108.70
  6. Step 6: Final answer
    x = 717,592.43

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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.