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Finding the Fourth Proportional to 468,444.58, 702,561.70 and 215,482.12

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Solution

The fourth proportional to 468,444.58, 702,561.70 and 215,482.12 is: 323,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,444.58 : 702,561.70 = 215,482.12 : x
  2. Step 2: Convert to fraction form
    468,444.58/702,561.70 = 215,482.12/x
  3. Step 3: Cross multiply
    468,444.58x = 702,561.70 × 215,482.12
  4. Step 4: Simplify right side
    468,444.58x = 151,389,484,546.80
  5. Step 5: Solve for x
    x = 151,389,484,546.80/468,444.58
  6. Step 6: Final answer
    x = 323,174.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.