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Finding the Fourth Proportional to 671,682.96, 926,622.91 and 453,821.51

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Solution

The fourth proportional to 671,682.96, 926,622.91 and 453,821.51 is: 626,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,682.96 : 926,622.91 = 453,821.51 : x
  2. Step 2: Convert to fraction form
    671,682.96/926,622.91 = 453,821.51/x
  3. Step 3: Cross multiply
    671,682.96x = 926,622.91 × 453,821.51
  4. Step 4: Simplify right side
    671,682.96x = 420,521,408,216.79
  5. Step 5: Solve for x
    x = 420,521,408,216.79/671,682.96
  6. Step 6: Final answer
    x = 626,071.28

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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.