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Finding the Fourth Proportional to 373,998.68, 515,508.54 and 260,624.60

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Solution

The fourth proportional to 373,998.68, 515,508.54 and 260,624.60 is: 359,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,998.68 : 515,508.54 = 260,624.60 : x
  2. Step 2: Convert to fraction form
    373,998.68/515,508.54 = 260,624.60/x
  3. Step 3: Cross multiply
    373,998.68x = 515,508.54 × 260,624.60
  4. Step 4: Simplify right side
    373,998.68x = 134,354,207,034.08
  5. Step 5: Solve for x
    x = 134,354,207,034.08/373,998.68
  6. Step 6: Final answer
    x = 359,237.12

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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.