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Finding the Fourth Proportional to 309,654.24, 464,688.48 and 112,662.24

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Solution

The fourth proportional to 309,654.24, 464,688.48 and 112,662.24 is: 169,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,654.24 : 464,688.48 = 112,662.24 : x
  2. Step 2: Convert to fraction form
    309,654.24/464,688.48 = 112,662.24/x
  3. Step 3: Cross multiply
    309,654.24x = 464,688.48 × 112,662.24
  4. Step 4: Simplify right side
    309,654.24x = 52,352,845,059.00
  5. Step 5: Solve for x
    x = 52,352,845,059.00/309,654.24
  6. Step 6: Final answer
    x = 169,068.72

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1.5x scale

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.