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Finding the Fourth Proportional to 702,014.22, 968,779.74 and 379,724.22

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Solution

The fourth proportional to 702,014.22, 968,779.74 and 379,724.22 is: 524,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,014.22 : 968,779.74 = 379,724.22 : x
  2. Step 2: Convert to fraction form
    702,014.22/968,779.74 = 379,724.22/x
  3. Step 3: Cross multiply
    702,014.22x = 968,779.74 × 379,724.22
  4. Step 4: Simplify right side
    702,014.22x = 367,869,131,123.30
  5. Step 5: Solve for x
    x = 367,869,131,123.30/702,014.22
  6. Step 6: Final answer
    x = 524,019.49

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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.