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Finding the Fourth Proportional to 671,683.58, 926,910.04 and 365,763.72

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Solution

The fourth proportional to 671,683.58, 926,910.04 and 365,763.72 is: 504,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,683.58 : 926,910.04 = 365,763.72 : x
  2. Step 2: Convert to fraction form
    671,683.58/926,910.04 = 365,763.72/x
  3. Step 3: Cross multiply
    671,683.58x = 926,910.04 × 365,763.72
  4. Step 4: Simplify right side
    671,683.58x = 339,030,064,335.75
  5. Step 5: Solve for x
    x = 339,030,064,335.75/671,683.58
  6. Step 6: Final answer
    x = 504,746.69

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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.