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Finding the Fourth Proportional to 261,150.62, 358,040.80 and 256,426.70

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Solution

The fourth proportional to 261,150.62, 358,040.80 and 256,426.70 is: 351,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,150.62 : 358,040.80 = 256,426.70 : x
  2. Step 2: Convert to fraction form
    261,150.62/358,040.80 = 256,426.70/x
  3. Step 3: Cross multiply
    261,150.62x = 358,040.80 × 256,426.70
  4. Step 4: Simplify right side
    261,150.62x = 91,811,220,809.36
  5. Step 5: Solve for x
    x = 91,811,220,809.36/261,150.62
  6. Step 6: Final answer
    x = 351,564.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.