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Finding the Fourth Proportional to 576,881.60, 794,971.92 and 415,431.60

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Solution

The fourth proportional to 576,881.60, 794,971.92 and 415,431.60 is: 572,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,881.60 : 794,971.92 = 415,431.60 : x
  2. Step 2: Convert to fraction form
    576,881.60/794,971.92 = 415,431.60/x
  3. Step 3: Cross multiply
    576,881.60x = 794,971.92 × 415,431.60
  4. Step 4: Simplify right side
    576,881.60x = 330,256,456,680.67
  5. Step 5: Solve for x
    x = 330,256,456,680.67/576,881.60
  6. Step 6: Final answer
    x = 572,485.68

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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.