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Finding the Fourth Proportional to 530,854.80, 797,837.40 and 521,523.60

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Solution

The fourth proportional to 530,854.80, 797,837.40 and 521,523.60 is: 783,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,854.80 : 797,837.40 = 521,523.60 : x
  2. Step 2: Convert to fraction form
    530,854.80/797,837.40 = 521,523.60/x
  3. Step 3: Cross multiply
    530,854.80x = 797,837.40 × 521,523.60
  4. Step 4: Simplify right side
    530,854.80x = 416,091,033,062.64
  5. Step 5: Solve for x
    x = 416,091,033,062.64/530,854.80
  6. Step 6: Final answer
    x = 783,813.26

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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.