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Finding the Fourth Proportional to 243,149.92, 334,798.32 and 207,259.36

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Solution

The fourth proportional to 243,149.92, 334,798.32 and 207,259.36 is: 285,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,149.92 : 334,798.32 = 207,259.36 : x
  2. Step 2: Convert to fraction form
    243,149.92/334,798.32 = 207,259.36/x
  3. Step 3: Cross multiply
    243,149.92x = 334,798.32 × 207,259.36
  4. Step 4: Simplify right side
    243,149.92x = 69,390,085,532.28
  5. Step 5: Solve for x
    x = 69,390,085,532.28/243,149.92
  6. Step 6: Final answer
    x = 285,379.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.