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Finding the Fourth Proportional to 433,709.76, 598,545.84 and 242,719.20

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Solution

The fourth proportional to 433,709.76, 598,545.84 and 242,719.20 is: 334,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,709.76 : 598,545.84 = 242,719.20 : x
  2. Step 2: Convert to fraction form
    433,709.76/598,545.84 = 242,719.20/x
  3. Step 3: Cross multiply
    433,709.76x = 598,545.84 × 242,719.20
  4. Step 4: Simplify right side
    433,709.76x = 145,278,567,448.13
  5. Step 5: Solve for x
    x = 145,278,567,448.13/433,709.76
  6. Step 6: Final answer
    x = 334,967.25

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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.