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Finding the Fourth Proportional to 671,385.65, 926,533.07 and 365,482.40

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Solution

The fourth proportional to 671,385.65, 926,533.07 and 365,482.40 is: 504,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,385.65 : 926,533.07 = 365,482.40 : x
  2. Step 2: Convert to fraction form
    671,385.65/926,533.07 = 365,482.40/x
  3. Step 3: Cross multiply
    671,385.65x = 926,533.07 × 365,482.40
  4. Step 4: Simplify right side
    671,385.65x = 338,631,530,102.97
  5. Step 5: Solve for x
    x = 338,631,530,102.97/671,385.65
  6. Step 6: Final answer
    x = 504,377.07

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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.