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Finding the Fourth Proportional to 662,770.08, 994,302.72 and 242,045.28

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Solution

The fourth proportional to 662,770.08, 994,302.72 and 242,045.28 is: 363,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,770.08 : 994,302.72 = 242,045.28 : x
  2. Step 2: Convert to fraction form
    662,770.08/994,302.72 = 242,045.28/x
  3. Step 3: Cross multiply
    662,770.08x = 994,302.72 × 242,045.28
  4. Step 4: Simplify right side
    662,770.08x = 240,666,280,267.16
  5. Step 5: Solve for x
    x = 240,666,280,267.16/662,770.08
  6. Step 6: Final answer
    x = 363,121.82

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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.