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Finding the Fourth Proportional to 373,196.01, 515,010.51 and 203,430.14

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Solution

The fourth proportional to 373,196.01, 515,010.51 and 203,430.14 is: 280,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,196.01 : 515,010.51 = 203,430.14 : x
  2. Step 2: Convert to fraction form
    373,196.01/515,010.51 = 203,430.14/x
  3. Step 3: Cross multiply
    373,196.01x = 515,010.51 × 203,430.14
  4. Step 4: Simplify right side
    373,196.01x = 104,768,657,575.72
  5. Step 5: Solve for x
    x = 104,768,657,575.72/373,196.01
  6. Step 6: Final answer
    x = 280,733.60

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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.