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Finding the Fourth Proportional to 540,970.16, 811,529.06 and 225,353.25

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Solution

The fourth proportional to 540,970.16, 811,529.06 and 225,353.25 is: 338,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,970.16 : 811,529.06 = 225,353.25 : x
  2. Step 2: Convert to fraction form
    540,970.16/811,529.06 = 225,353.25/x
  3. Step 3: Cross multiply
    540,970.16x = 811,529.06 × 225,353.25
  4. Step 4: Simplify right side
    540,970.16x = 182,880,710,013.68
  5. Step 5: Solve for x
    x = 182,880,710,013.68/540,970.16
  6. Step 6: Final answer
    x = 338,060.63

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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.