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Finding the Fourth Proportional to 651,346.80, 976,987.80 and 335,835.60

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Solution

The fourth proportional to 651,346.80, 976,987.80 and 335,835.60 is: 503,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,346.80 : 976,987.80 = 335,835.60 : x
  2. Step 2: Convert to fraction form
    651,346.80/976,987.80 = 335,835.60/x
  3. Step 3: Cross multiply
    651,346.80x = 976,987.80 × 335,835.60
  4. Step 4: Simplify right side
    651,346.80x = 328,107,284,005.68
  5. Step 5: Solve for x
    x = 328,107,284,005.68/651,346.80
  6. Step 6: Final answer
    x = 503,736.69

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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.