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Finding the Fourth Proportional to 364,556.60, 546,834.90 and 265,412.60

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Solution

The fourth proportional to 364,556.60, 546,834.90 and 265,412.60 is: 398,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,556.60 : 546,834.90 = 265,412.60 : x
  2. Step 2: Convert to fraction form
    364,556.60/546,834.90 = 265,412.60/x
  3. Step 3: Cross multiply
    364,556.60x = 546,834.90 × 265,412.60
  4. Step 4: Simplify right side
    364,556.60x = 145,136,872,579.74
  5. Step 5: Solve for x
    x = 145,136,872,579.74/364,556.60
  6. Step 6: Final answer
    x = 398,118.90

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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.