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Finding the Fourth Proportional to 582,580.76, 874,210.80 and 245,600.78

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Solution

The fourth proportional to 582,580.76, 874,210.80 and 245,600.78 is: 368,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,580.76 : 874,210.80 = 245,600.78 : x
  2. Step 2: Convert to fraction form
    582,580.76/874,210.80 = 245,600.78/x
  3. Step 3: Cross multiply
    582,580.76x = 874,210.80 × 245,600.78
  4. Step 4: Simplify right side
    582,580.76x = 214,706,854,364.42
  5. Step 5: Solve for x
    x = 214,706,854,364.42/582,580.76
  6. Step 6: Final answer
    x = 368,544.36

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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.