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Finding the Fourth Proportional to 713,409.40, 1,070,224.86 and 240,057.88

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Solution

The fourth proportional to 713,409.40, 1,070,224.86 and 240,057.88 is: 360,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,409.40 : 1,070,224.86 = 240,057.88 : x
  2. Step 2: Convert to fraction form
    713,409.40/1,070,224.86 = 240,057.88/x
  3. Step 3: Cross multiply
    713,409.40x = 1,070,224.86 × 240,057.88
  4. Step 4: Simplify right side
    713,409.40x = 256,915,911,014.90
  5. Step 5: Solve for x
    x = 256,915,911,014.90/713,409.40
  6. Step 6: Final answer
    x = 360,124.09

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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.