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Finding the Fourth Proportional to 578,272.05, 798,377.67 and 371,624.25

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Solution

The fourth proportional to 578,272.05, 798,377.67 and 371,624.25 is: 513,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,272.05 : 798,377.67 = 371,624.25 : x
  2. Step 2: Convert to fraction form
    578,272.05/798,377.67 = 371,624.25/x
  3. Step 3: Cross multiply
    578,272.05x = 798,377.67 × 371,624.25
  4. Step 4: Simplify right side
    578,272.05x = 296,696,502,830.50
  5. Step 5: Solve for x
    x = 296,696,502,830.50/578,272.05
  6. Step 6: Final answer
    x = 513,074.26

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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.