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Finding the Fourth Proportional to 671,360.48, 926,500.20 and 365,448.02

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Solution

The fourth proportional to 671,360.48, 926,500.20 and 365,448.02 is: 504,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,360.48 : 926,500.20 = 365,448.02 : x
  2. Step 2: Convert to fraction form
    671,360.48/926,500.20 = 365,448.02/x
  3. Step 3: Cross multiply
    671,360.48x = 926,500.20 × 365,448.02
  4. Step 4: Simplify right side
    671,360.48x = 338,587,663,619.60
  5. Step 5: Solve for x
    x = 338,587,663,619.60/671,360.48
  6. Step 6: Final answer
    x = 504,330.64

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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.