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Finding the Fourth Proportional to 365,989.34, 549,028.29 and 129,283.58

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Solution

The fourth proportional to 365,989.34, 549,028.29 and 129,283.58 is: 193,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,989.34 : 549,028.29 = 129,283.58 : x
  2. Step 2: Convert to fraction form
    365,989.34/549,028.29 = 129,283.58/x
  3. Step 3: Cross multiply
    365,989.34x = 549,028.29 × 129,283.58
  4. Step 4: Simplify right side
    365,989.34x = 70,980,342,852.48
  5. Step 5: Solve for x
    x = 70,980,342,852.48/365,989.34
  6. Step 6: Final answer
    x = 193,941.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.