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Finding the Fourth Proportional to 478,505.80, 717,585.90 and 241,769.80

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Solution

The fourth proportional to 478,505.80, 717,585.90 and 241,769.80 is: 362,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,505.80 : 717,585.90 = 241,769.80 : x
  2. Step 2: Convert to fraction form
    478,505.80/717,585.90 = 241,769.80/x
  3. Step 3: Cross multiply
    478,505.80x = 717,585.90 × 241,769.80
  4. Step 4: Simplify right side
    478,505.80x = 173,490,599,525.82
  5. Step 5: Solve for x
    x = 173,490,599,525.82/478,505.80
  6. Step 6: Final answer
    x = 362,567.39

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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.