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Finding the Fourth Proportional to 673,674.58, 929,450.11 and 480,112.77

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Solution

The fourth proportional to 673,674.58, 929,450.11 and 480,112.77 is: 662,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,674.58 : 929,450.11 = 480,112.77 : x
  2. Step 2: Convert to fraction form
    673,674.58/929,450.11 = 480,112.77/x
  3. Step 3: Cross multiply
    673,674.58x = 929,450.11 × 480,112.77
  4. Step 4: Simplify right side
    673,674.58x = 446,240,866,888.91
  5. Step 5: Solve for x
    x = 446,240,866,888.91/673,674.58
  6. Step 6: Final answer
    x = 662,398.26

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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.