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Finding the Fourth Proportional to 654,415.50, 903,104.68 and 364,050.26

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Solution

The fourth proportional to 654,415.50, 903,104.68 and 364,050.26 is: 502,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,415.50 : 903,104.68 = 364,050.26 : x
  2. Step 2: Convert to fraction form
    654,415.50/903,104.68 = 364,050.26/x
  3. Step 3: Cross multiply
    654,415.50x = 903,104.68 × 364,050.26
  4. Step 4: Simplify right side
    654,415.50x = 328,775,493,561.22
  5. Step 5: Solve for x
    x = 328,775,493,561.22/654,415.50
  6. Step 6: Final answer
    x = 502,395.64

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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.