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Finding the Fourth Proportional to 531,550.35, 733,512.51 and 289,830.96

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Solution

The fourth proportional to 531,550.35, 733,512.51 and 289,830.96 is: 399,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,550.35 : 733,512.51 = 289,830.96 : x
  2. Step 2: Convert to fraction form
    531,550.35/733,512.51 = 289,830.96/x
  3. Step 3: Cross multiply
    531,550.35x = 733,512.51 × 289,830.96
  4. Step 4: Simplify right side
    531,550.35x = 212,594,634,945.31
  5. Step 5: Solve for x
    x = 212,594,634,945.31/531,550.35
  6. Step 6: Final answer
    x = 399,952.02

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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.