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Finding the Fourth Proportional to 368,214.39, 552,185.51 and 289,482.39

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Solution

The fourth proportional to 368,214.39, 552,185.51 and 289,482.39 is: 434,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,214.39 : 552,185.51 = 289,482.39 : x
  2. Step 2: Convert to fraction form
    368,214.39/552,185.51 = 289,482.39/x
  3. Step 3: Cross multiply
    368,214.39x = 552,185.51 × 289,482.39
  4. Step 4: Simplify right side
    368,214.39x = 159,847,979,710.76
  5. Step 5: Solve for x
    x = 159,847,979,710.76/368,214.39
  6. Step 6: Final answer
    x = 434,116.60

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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.