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Finding the Fourth Proportional to 461,397.60, 691,448.40 and 366,789.60

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Solution

The fourth proportional to 461,397.60, 691,448.40 and 366,789.60 is: 549,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,397.60 : 691,448.40 = 366,789.60 : x
  2. Step 2: Convert to fraction form
    461,397.60/691,448.40 = 366,789.60/x
  3. Step 3: Cross multiply
    461,397.60x = 691,448.40 × 366,789.60
  4. Step 4: Simplify right side
    461,397.60x = 253,616,082,056.64
  5. Step 5: Solve for x
    x = 253,616,082,056.64/461,397.60
  6. Step 6: Final answer
    x = 549,669.27

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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.