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Finding the Fourth Proportional to 622,770.12, 859,244.96 and 350,742.86

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Solution

The fourth proportional to 622,770.12, 859,244.96 and 350,742.86 is: 483,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,770.12 : 859,244.96 = 350,742.86 : x
  2. Step 2: Convert to fraction form
    622,770.12/859,244.96 = 350,742.86/x
  3. Step 3: Cross multiply
    622,770.12x = 859,244.96 × 350,742.86
  4. Step 4: Simplify right side
    622,770.12x = 301,374,034,513.79
  5. Step 5: Solve for x
    x = 301,374,034,513.79/622,770.12
  6. Step 6: Final answer
    x = 483,925.01

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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.