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Finding the Fourth Proportional to 573,046.98, 790,809.48 and 358,311.48

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Solution

The fourth proportional to 573,046.98, 790,809.48 and 358,311.48 is: 494,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,046.98 : 790,809.48 = 358,311.48 : x
  2. Step 2: Convert to fraction form
    573,046.98/790,809.48 = 358,311.48/x
  3. Step 3: Cross multiply
    573,046.98x = 790,809.48 × 358,311.48
  4. Step 4: Simplify right side
    573,046.98x = 283,356,115,176.83
  5. Step 5: Solve for x
    x = 283,356,115,176.83/573,046.98
  6. Step 6: Final answer
    x = 494,472.75

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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.