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Finding the Fourth Proportional to 508,770.42, 702,230.85 and 294,035.70

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Solution

The fourth proportional to 508,770.42, 702,230.85 and 294,035.70 is: 405,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,770.42 : 702,230.85 = 294,035.70 : x
  2. Step 2: Convert to fraction form
    508,770.42/702,230.85 = 294,035.70/x
  3. Step 3: Cross multiply
    508,770.42x = 702,230.85 × 294,035.70
  4. Step 4: Simplify right side
    508,770.42x = 206,480,939,541.35
  5. Step 5: Solve for x
    x = 206,480,939,541.35/508,770.42
  6. Step 6: Final answer
    x = 405,843.05

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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.