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Finding the Fourth Proportional to 682,931.06, 942,420.14 and 377,000.88

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Solution

The fourth proportional to 682,931.06, 942,420.14 and 377,000.88 is: 520,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,931.06 : 942,420.14 = 377,000.88 : x
  2. Step 2: Convert to fraction form
    682,931.06/942,420.14 = 377,000.88/x
  3. Step 3: Cross multiply
    682,931.06x = 942,420.14 × 377,000.88
  4. Step 4: Simplify right side
    682,931.06x = 355,293,222,109.72
  5. Step 5: Solve for x
    x = 355,293,222,109.72/682,931.06
  6. Step 6: Final answer
    x = 520,247.57

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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.