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Finding the Fourth Proportional to 569,079.13, 853,365.98 and 302,783.53

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Solution

The fourth proportional to 569,079.13, 853,365.98 and 302,783.53 is: 454,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,079.13 : 853,365.98 = 302,783.53 : x
  2. Step 2: Convert to fraction form
    569,079.13/853,365.98 = 302,783.53/x
  3. Step 3: Cross multiply
    569,079.13x = 853,365.98 × 302,783.53
  4. Step 4: Simplify right side
    569,079.13x = 258,385,162,292.39
  5. Step 5: Solve for x
    x = 258,385,162,292.39/569,079.13
  6. Step 6: Final answer
    x = 454,040.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.