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Finding the Fourth Proportional to 573,299.20, 790,932.32 and 369,334.72

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Solution

The fourth proportional to 573,299.20, 790,932.32 and 369,334.72 is: 509,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,299.20 : 790,932.32 = 369,334.72 : x
  2. Step 2: Convert to fraction form
    573,299.20/790,932.32 = 369,334.72/x
  3. Step 3: Cross multiply
    573,299.20x = 790,932.32 × 369,334.72
  4. Step 4: Simplify right side
    573,299.20x = 292,118,766,946.15
  5. Step 5: Solve for x
    x = 292,118,766,946.15/573,299.20
  6. Step 6: Final answer
    x = 509,539.81

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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.