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Finding the Fourth Proportional to 342,060.40, 513,090.60 and 295,404.40

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Solution

The fourth proportional to 342,060.40, 513,090.60 and 295,404.40 is: 443,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,060.40 : 513,090.60 = 295,404.40 : x
  2. Step 2: Convert to fraction form
    342,060.40/513,090.60 = 295,404.40/x
  3. Step 3: Cross multiply
    342,060.40x = 513,090.60 × 295,404.40
  4. Step 4: Simplify right side
    342,060.40x = 151,569,220,838.64
  5. Step 5: Solve for x
    x = 151,569,220,838.64/342,060.40
  6. Step 6: Final answer
    x = 443,106.60

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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.