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Finding the Fourth Proportional to 578,591.19, 798,446.93 and 323,951.49

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Solution

The fourth proportional to 578,591.19, 798,446.93 and 323,951.49 is: 447,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,591.19 : 798,446.93 = 323,951.49 : x
  2. Step 2: Convert to fraction form
    578,591.19/798,446.93 = 323,951.49/x
  3. Step 3: Cross multiply
    578,591.19x = 798,446.93 × 323,951.49
  4. Step 4: Simplify right side
    578,591.19x = 258,658,071,039.67
  5. Step 5: Solve for x
    x = 258,658,071,039.67/578,591.19
  6. Step 6: Final answer
    x = 447,048.06

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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.