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Finding the Fourth Proportional to 497,009.10, 745,513.65 and 308,052.30

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Solution

The fourth proportional to 497,009.10, 745,513.65 and 308,052.30 is: 462,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,009.10 : 745,513.65 = 308,052.30 : x
  2. Step 2: Convert to fraction form
    497,009.10/745,513.65 = 308,052.30/x
  3. Step 3: Cross multiply
    497,009.10x = 745,513.65 × 308,052.30
  4. Step 4: Simplify right side
    497,009.10x = 229,657,194,563.90
  5. Step 5: Solve for x
    x = 229,657,194,563.90/497,009.10
  6. Step 6: Final answer
    x = 462,078.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.