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Finding the Fourth Proportional to 673,450.01, 929,703.85 and 520,144.04

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Solution

The fourth proportional to 673,450.01, 929,703.85 and 520,144.04 is: 718,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,450.01 : 929,703.85 = 520,144.04 : x
  2. Step 2: Convert to fraction form
    673,450.01/929,703.85 = 520,144.04/x
  3. Step 3: Cross multiply
    673,450.01x = 929,703.85 × 520,144.04
  4. Step 4: Simplify right side
    673,450.01x = 483,579,917,566.45
  5. Step 5: Solve for x
    x = 483,579,917,566.45/673,450.01
  6. Step 6: Final answer
    x = 718,063.57

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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.