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Finding the Fourth Proportional to 295,547.70, 442,665.45 and 243,059.70

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Solution

The fourth proportional to 295,547.70, 442,665.45 and 243,059.70 is: 364,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,547.70 : 442,665.45 = 243,059.70 : x
  2. Step 2: Convert to fraction form
    295,547.70/442,665.45 = 243,059.70/x
  3. Step 3: Cross multiply
    295,547.70x = 442,665.45 × 243,059.70
  4. Step 4: Simplify right side
    295,547.70x = 107,594,131,477.37
  5. Step 5: Solve for x
    x = 107,594,131,477.37/295,547.70
  6. Step 6: Final answer
    x = 364,049.97

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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.