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Finding the Fourth Proportional to 550,293.92, 759,068.48 and 364,023.12

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Solution

The fourth proportional to 550,293.92, 759,068.48 and 364,023.12 is: 502,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,293.92 : 759,068.48 = 364,023.12 : x
  2. Step 2: Convert to fraction form
    550,293.92/759,068.48 = 364,023.12/x
  3. Step 3: Cross multiply
    550,293.92x = 759,068.48 × 364,023.12
  4. Step 4: Simplify right side
    550,293.92x = 276,318,476,383.26
  5. Step 5: Solve for x
    x = 276,318,476,383.26/550,293.92
  6. Step 6: Final answer
    x = 502,128.89

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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.