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Finding the Fourth Proportional to 632,390.22, 872,676.60 and 360,545.67

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Solution

The fourth proportional to 632,390.22, 872,676.60 and 360,545.67 is: 497,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,390.22 : 872,676.60 = 360,545.67 : x
  2. Step 2: Convert to fraction form
    632,390.22/872,676.60 = 360,545.67/x
  3. Step 3: Cross multiply
    632,390.22x = 872,676.60 × 360,545.67
  4. Step 4: Simplify right side
    632,390.22x = 314,639,769,440.32
  5. Step 5: Solve for x
    x = 314,639,769,440.32/632,390.22
  6. Step 6: Final answer
    x = 497,540.54

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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.