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Finding the Fourth Proportional to 435,620.13, 601,158.18 and 242,028.11

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Solution

The fourth proportional to 435,620.13, 601,158.18 and 242,028.11 is: 334,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,620.13 : 601,158.18 = 242,028.11 : x
  2. Step 2: Convert to fraction form
    435,620.13/601,158.18 = 242,028.11/x
  3. Step 3: Cross multiply
    435,620.13x = 601,158.18 × 242,028.11
  4. Step 4: Simplify right side
    435,620.13x = 145,497,176,018.25
  5. Step 5: Solve for x
    x = 145,497,176,018.25/435,620.13
  6. Step 6: Final answer
    x = 334,000.12

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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.