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Finding the Fourth Proportional to 682,595.32, 942,168.93 and 396,207.67

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Solution

The fourth proportional to 682,595.32, 942,168.93 and 396,207.67 is: 546,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,595.32 : 942,168.93 = 396,207.67 : x
  2. Step 2: Convert to fraction form
    682,595.32/942,168.93 = 396,207.67/x
  3. Step 3: Cross multiply
    682,595.32x = 942,168.93 × 396,207.67
  4. Step 4: Simplify right side
    682,595.32x = 373,294,556,501.69
  5. Step 5: Solve for x
    x = 373,294,556,501.69/682,595.32
  6. Step 6: Final answer
    x = 546,875.35

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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.